(gdb) thread apply all bt full

Thread 275 (Thread 0x7f0d15dff700 (LWP 35582)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f0d184bc8c9 in background_thread_sleep (tsdn=<optimized out>, interval=<optimized out>, info=<optimized out>) at src/background_thread.c:232
        tv = {tv_sec = 1638477500, tv_usec = 41442}
        before_sleep = {ns = 1638477500041442000}
#2  background_work_sleep_once (ind=0, info=<optimized out>, tsdn=<optimized out>) at src/background_thread.c:307
        min_interval = <optimized out>
        narenas = <optimized out>
#3  background_thread0_work (tsd=0x7f0d15dee220) at src/background_thread.c:452
        created_threads = 0x7f0d15ded8a0
        i = <optimized out>
        n_created = <optimized out>
#4  background_work (ind=<optimized out>, tsd=0x7f0d15dee220) at src/background_thread.c:490
        info = <optimized out>
#5  background_thread_entry (ind_arg=<optimized out>) at src/background_thread.c:522
        thread_ind = <optimized out>
#6  0x00007f0d18faeea5 in start_thread (arg=0x7f0d15dff700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0d15dff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139694178301696, -4771262700614340274, 0, 8392704, 0, 139694178301696, 4887314238635225422, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#7  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 274 (Thread 0x7f0d12efe700 (LWP 35586)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
No locals.
#1  0x0000000000b53e9a in __gthread_cond_timedwait (__abs_timeout=0x7f0d12eec800, __mutex=<optimized out>, __cond=0x7f0d13daf138) at /usr/local/include/c++/7.3.0/x86_64-pc-linux-gnu/bits/gthr-default.h:871
No locals.
#2  __wait_until_impl<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=0x7f0d13daf138) at /usr/local/include/c++/7.3.0/condition_variable:166
        __ts = {tv_sec = 1638524644, tv_nsec = 266805206}
#3  wait_until<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=0x7f0d13daf138) at /usr/local/include/c++/7.3.0/condition_variable:106
No locals.
#4  wait_until<std::chrono::_V2::system_clock, std::chrono::duration<long int, std::ratio<1, 1000000000> >, spdlog::details::mpmc_blocking_queue<T>::dequeue_for(T&, std::chrono::milliseconds) [with T = spdlog::details::async_msg]::<lambda()> > (__p=..., __atime=..., __lock=..., this=0x7f0d13daf138) at /usr/local/include/c++/7.3.0/condition_variable:129
No locals.
#5  wait_for<long int, std::ratio<1, 1000>, spdlog::details::mpmc_blocking_queue<T>::dequeue_for(T&, std::chrono::milliseconds) [with T = spdlog::details::async_msg]::<lambda()> > (__p=..., __rtime=<synthetic pointer>, __lock=..., this=0x7f0d13daf138) at /usr/local/include/c++/7.3.0/condition_variable:145
No locals.
#6  dequeue_for (wait_duration=..., popped_item=..., this=0x7f0d13daf110) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/spdlog/spdlog-prefix/src/spdlog/include/spdlog/details/mpmc_blocking_q.h:58
        lock = {_M_device = 0x0, _M_owns = false}
#7  spdlog::details::thread_pool::process_next_msg_ (this=this@entry=0x7f0d13daf110) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/spdlog/spdlog-prefix/src/spdlog/include/spdlog/details/thread_pool-inl.h:99
        incoming_async_msg = {<spdlog::details::log_msg_buffer> = {<spdlog::details::log_msg> = {logger_name = {data_ = 0x0, size_ = 0}, level = spdlog::level::off, time = {__d = {__r = 0}}, thread_id = 0, color_range_start = 0, color_range_end = 0, source = {filename = 0x0, line = 0, funcname = 0x0}, payload = {data_ = 0x0, size_ = 0}}, buffer = warning: RTTI symbol not found for class 'fmt::v7::basic_memory_buffer<char, 250ul, std::allocator<char> >'
{<fmt::v7::detail::buffer<char>> = {
                _vptr.buffer = 0xc43d70 <vtable for fmt::v7::basic_memory_buffer<char, 250ul, std::allocator<char> >+16>, ptr_ = 0x7f0d12eec890 "spdlog_file_logger(GleamBookUsers0) New access log file '/data/GleamBookUsers0/access.log.10' created with 961103 keysBookUsers0/access.log.10.old':0, entries:99, entryBuffer:0x7f08b811c580, blockBuff"..., size_ = 0, capacity_ = 250}, 
              store_ = "spdlog_file_logger(GleamBookUsers0) New access log file '/data/GleamBookUsers0/access.log.10' created with 961103 keysBookUsers0/access.log.10.old':0, entries:99, entryBuffer:0x7f08b811c580, blockBuff"..., alloc_ = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}}}, msg_type = spdlog::details::log, 
          worker_ptr = {<std::__shared_ptr<spdlog::async_logger, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<spdlog::async_logger, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}
#8  0x0000000000b541e8 in worker_loop_ (this=0x7f0d13daf110) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/spdlog/spdlog-prefix/src/spdlog/include/spdlog/details/thread_pool-inl.h:90
No locals.
#9  operator() (__closure=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/spdlog/spdlog-prefix/src/spdlog/include/spdlog/details/thread_pool-inl.h:28
        on_thread_start = <optimized out>
        this = <optimized out>
#10 __invoke_impl<void, spdlog::details::thread_pool::thread_pool(size_t, size_t, std::function<void()>)::<lambda()> > (__f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:60
No locals.
#11 __invoke<spdlog::details::thread_pool::thread_pool(size_t, size_t, std::function<void()>)::<lambda()> > (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#12 _M_invoke<0> (this=<optimized out>) at /usr/local/include/c++/7.3.0/thread:234
No locals.
#13 operator() (this=<optimized out>) at /usr/local/include/c++/7.3.0/thread:243
No locals.
#14 std::thread::_State_impl<std::thread::_Invoker<std::tuple<spdlog::details::thread_pool::thread_pool(size_t, size_t, std::function<void()>)::<lambda()> > > >::_M_run(void) (this=<optimized out>) at /usr/local/include/c++/7.3.0/thread:186
No locals.
#15 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#16 0x00007f0d18faeea5 in start_thread (arg=0x7f0d12efe700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0d12efe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139694129014528, -4771262700614340274, 0, 8392704, 0, 139694129014528, 4887307228711727438, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#17 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 273 (Thread 0x7f0d126fd700 (LWP 35587)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
No locals.
#1  0x0000000000b53c5a in __gthread_cond_timedwait (__abs_timeout=0x7f0d126eb9b0, __mutex=<optimized out>, __cond=0x7f0d13da8268) at /usr/local/include/c++/7.3.0/x86_64-pc-linux-gnu/bits/gthr-default.h:871
No locals.
#2  __wait_until_impl<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=0x7f0d13da8268) at /usr/local/include/c++/7.3.0/condition_variable:166
        __ts = {tv_sec = 1638524635, tv_nsec = 266776753}
#3  wait_until<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=0x7f0d13da8268) at /usr/local/include/c++/7.3.0/condition_variable:106
No locals.
#4  wait_until<std::chrono::_V2::system_clock, std::chrono::duration<long int, std::ratio<1, 1000000000> >, spdlog::details::periodic_worker::periodic_worker(const std::function<void()>&, std::chrono::seconds)::<lambda()>::<lambda()> > (__p=..., __atime=..., __lock=..., this=0x7f0d13da8268) at /usr/local/include/c++/7.3.0/condition_variable:129
No locals.
#5  wait_for<long int, std::ratio<1>, spdlog::details::periodic_worker::periodic_worker(const std::function<void()>&, std::chrono::seconds)::<lambda()>::<lambda()> > (__p=..., __rtime=..., __lock=..., this=0x7f0d13da8268) at /usr/local/include/c++/7.3.0/condition_variable:145
No locals.
#6  operator() (__closure=0x7f0d13db0ec8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/spdlog/spdlog-prefix/src/spdlog/include/spdlog/details/periodic_worker-inl.h:25
        lock = {_M_device = 0x7f0d13da8240, _M_owns = true}
        interval = {__r = 1}
        callback_fun = {<std::_Maybe_unary_or_binary_function<void>> = {<No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x1107da0 <spdlog::details::registry::instance()::s_instance>, _M_const_object = 0x1107da0 <spdlog::details::registry::instance()::s_instance>, 
                _M_function_pointer = 0x1107da0 <spdlog::details::registry::instance()::s_instance>, _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x1107da0 <spdlog::details::registry::instance()::s_instance>, this adjustment 139694144425704}, _M_pod_data = "\240}\020\001\000\000\000\000\350\016\333\023\r\177\000"}, 
            _M_manager = 0xb38260 <std::_Function_base::_Base_manager<spdlog::details::registry::flush_every(std::chrono::seconds)::<lambda()> >::_M_manager(std::_Any_data &, const std::_Any_data &, std::_Manager_operation)>}, _M_invoker = 0xb39550 <std::_Function_handler<void(), spdlog::details::registry::flush_every(std::chrono::seconds)::<lambda()> >::_M_invoke(const std::_Any_data &)>}
        this = 0x7f0d13da8230
#7  __invoke_impl<void, spdlog::details::periodic_worker::periodic_worker(const std::function<void()>&, std::chrono::seconds)::<lambda()> > (__f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:60
No locals.
#8  __invoke<spdlog::details::periodic_worker::periodic_worker(const std::function<void()>&, std::chrono::seconds)::<lambda()> > (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#9  _M_invoke<0> (this=0x7f0d13db0ec8) at /usr/local/include/c++/7.3.0/thread:234
No locals.
#10 operator() (this=0x7f0d13db0ec8) at /usr/local/include/c++/7.3.0/thread:243
No locals.
#11 std::thread::_State_impl<std::thread::_Invoker<std::tuple<spdlog::details::periodic_worker::periodic_worker(const std::function<void()>&, std::chrono::seconds)::<lambda()> > > >::_M_run(void) (this=0x7f0d13db0ec0) at /usr/local/include/c++/7.3.0/thread:186
No locals.
#12 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#13 0x00007f0d18faeea5 in start_thread (arg=0x7f0d126fd700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0d126fd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139694120621824, -4771262700614340274, 0, 8392704, 0, 139694120621824, 4887308325539000654, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#14 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 272 (Thread 0x7f0d11efc700 (LWP 35588)):
#0  0x00007f0d168e4c3d in poll () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00000000005a6a51 in get_command (buffsize=80, buffer=0x7f0d11eea990 "@\226^\031\r\177") at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/stdin_check.cc:57
        fds = {fd = 0, events = 1, revents = 0}
#2  check_stdin_thread (arg=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/stdin_check.cc:98
        command = "@\226^\031\r\177\000\000\001\000\000\000\000\000\000\000\300\226^\031\r\177\000\000\000\000\000\000\000\000\000\000\004\213\000\000\000\000\000\000\277w\373\030\r\177\000\000ȕ^\031\r\177\000\000\000\000\000\000\000\000\000\000\020g\332\023\r\177\000\000\000\000\000\000\000\000\000"
        call_exit_handler = true
#3  0x0000000000b86049 in run (this=0x7f0d13da6710) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#4  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#5  0x00007f0d18faeea5 in start_thread (arg=0x7f0d11efc700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0d11efc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139694112229120, -4771262700614340274, 0, 8392704, 0, 139694112229120, 4887305026467246414, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#6  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 271 (Thread 0x7f0d0b7fe700 (LWP 35594)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
No locals.
#1  0x00000000005ec626 in __gthread_cond_timedwait (__abs_timeout=0x7f0d0b7ec980, __mutex=0x7f0d12f735d0, __cond=0x7f0d12f735f8) at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:872
No locals.
#2  __wait_until_impl<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__lock=<synthetic pointer>, __lock=<synthetic pointer>, __atime=<synthetic pointer>, this=0x7f0d12f735f8) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:232
        __ts = {tv_sec = 1638524817, tv_nsec = 304118962}
#3  wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=<synthetic pointer>, this=0x7f0d12f735f8) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:141
        __c_entry = {__d = {__r = 15182325663723983}}
#4  wait_for<long, std::ratio<1, 1000000000> > (__rtime=<synthetic pointer>, __lock=<synthetic pointer>, this=0x7f0d12f735f8) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:172
No locals.
#5  ExternalAuthManagerThread::run() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/external_auth_manager_thread.cc:91
        now = <optimized out>
#6  0x0000000000b9b703 in Couchbase::Thread::thread_entry() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/thread.cc:38
No locals.
#7  0x0000000000b86049 in run (this=0x7f0d13da6ad0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0d0b7fe700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0d0b7fe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139694004233984, -4771262700614340274, 0, 8392704, 0, 139694004233984, 4887257888127430990, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 270 (Thread 0x7f0d0affd700 (LWP 35599)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
No locals.
#1  0x00000000006768b7 in __gthread_cond_timedwait (__abs_timeout=0x7f0d0afeb9b0, __mutex=<optimized out>, __cond=0x7f0d134ce3f8) at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:872
No locals.
#2  __wait_until_impl<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__lock=..., __lock=..., __atime=<synthetic pointer>, this=0x7f0d134ce3f8) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:232
        __ts = {tv_sec = 1638549417, tv_nsec = 291872578}
#3  wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=0x7f0d134ce3f8) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:141
        __c_entry = {__d = {__r = 15121125651477314}}
#4  wait_for<long, std::ratio<1> > (__rtime=..., __rtime=..., __lock=..., this=0x7f0d134ce3f8) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:172
No locals.
#5  AuditImpl::consume_events() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/auditd/src/audit.cc:401
        lock = {_M_device = 0x7f0d134ce428, _M_owns = true}
#6  0x0000000000b86049 in run (this=0x7f0d13da6a70) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#7  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#8  0x00007f0d18faeea5 in start_thread (arg=0x7f0d0affd700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0d0affd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693995841280, -4771262700614340274, 0, 8392704, 0, 139693995841280, 4887254586908193102, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#9  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 269 (Thread 0x7f0d0bfff700 (LWP 35650)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
No locals.
#1  0x00007f0d18fb0e9b in _L_lock_883 () from /lib64/libpthread.so.0
No symbol table info available.
#2  0x00007f0d18fb0d68 in __GI___pthread_mutex_lock (mutex=0x10e4ec0 <buckets_lock>) at ../nptl/pthread_mutex_lock.c:78
        type = 0
        id = <optimized out>
#3  0x00000000005bc047 in __gthread_mutex_lock (__mutex=0x10e4ec0 <buckets_lock>) at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:749
No locals.
#4  lock (this=0x10e4ec0 <buckets_lock>) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_mutex.h:100
        __e = <optimized out>
#5  lock_guard (__m=..., this=<synthetic pointer>) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_mutex.h:159
No locals.
#6  BucketManager::forEach(std::function<bool (Bucket&, void*)>, void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/buckets.cc:424
        all_bucket_lock = {_M_device = @0x10e4ec0}
#7  0x00000000005a3a1e in server_prometheus_stats(StatCollector const&, cb::prometheus::Cardinality) () at /opt/gcc-10.2.0/include/c++/10.2.0/new:175
No locals.
#8  0x0000000000abb3da in operator() (__args#1=<optimized out>, __args#0=..., this=0x7f0d12f57460) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
No locals.
#9  cb::prometheus::MetricServer::KVCollectable::Collect (this=0x7f0d12f57450) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/statistics/prometheus.cc:122
        timestamp = <optimized out>
        timestampMs = 1638465111000
        statsMap = {
          _M_h = {<std::__detail::_Hashtable_base<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, prometheus::MetricFamily>, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, prometheus::MetricFamily>, std::__detail::_Select1st, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, true>> = {<std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >> = {<std::__hash_base<unsigned long, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, true>> = {<std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >> = {<std::binary_function<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, prometheus::MetricFamily>, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, prometheus::MetricFamily> >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, prometheus::MetricFamily>, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, prometheus::MetricFamily> >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, prometheus::MetricFamily>, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, prometheus::MetricFamily> >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, prometheus::MetricFamily>, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, prometheus::MetricFamily> >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, prometheus::MetricFamily>, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, prometheus::MetricFamily> >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, prometheus::MetricFamily>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, prometheus::MetricFamily>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, prometheus::MetricFamily>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, prometheus::MetricFamily>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d0bfe9470, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}
        collector = {<StatCollector> = {_vptr.StatCollector = 0xca7978 <vtable for PrometheusStatCollector+16>}, metricFamilies = @0x7f0d0bfe9440, prefix = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d0bfe9430 "kv_"}, _M_string_length = 3, {
              _M_local_buf = "kv_\000\000\000\000\000ϱ[\000\000\000\000", _M_allocated_capacity = 6256235}}}
        result = {<std::_Vector_base<prometheus::MetricFamily, std::allocator<prometheus::MetricFamily> >> = {_M_impl = {<std::allocator<prometheus::MetricFamily>> = {<__gnu_cxx::new_allocator<prometheus::MetricFamily>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<prometheus::MetricFamily, std::allocator<prometheus::MetricFamily> >::_Vector_impl_data> = {_M_start = 0x7f0853505700, 
                _M_finish = 0x7f0853505820, _M_end_of_storage = 0x7f0853505880}, <No data fields>}}, <No data fields>}
#10 0x0000000000ad36bb in prometheus::detail::CollectMetrics (collectables=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/prometheus-cpp/prometheus-cpp-prefix/src/prometheus-cpp/pull/src/metrics_collector.cc:18
        collectable = {<std::__shared_ptr<prometheus::Collectable, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<prometheus::Collectable, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = <optimized out>, _M_refcount = {_M_pi = 0x7f0d12f57440}}, <No data fields>}
        metrics = <optimized out>
        collected_metrics = {<std::_Vector_base<prometheus::MetricFamily, std::allocator<prometheus::MetricFamily> >> = {_M_impl = {<std::allocator<prometheus::MetricFamily>> = {<__gnu_cxx::new_allocator<prometheus::MetricFamily>> = {<No data fields>}, <No data fields>}, _M_start = 0x7f08d2323ec0, _M_finish = 0x7f08d2323fe0, _M_end_of_storage = 0x7f08d2323fe0}}, <No data fields>}
#11 0x0000000000ad26f8 in prometheus::detail::MetricsHandler::handleGet (this=0x7f0d13dfe800, conn=0x1acccb0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/prometheus-cpp/prometheus-cpp-prefix/src/prometheus-cpp/pull/src/handler.cc:129
        lock = {_M_device = @0x7f0d13dfe808}
        metrics = {<std::_Vector_base<prometheus::MetricFamily, std::allocator<prometheus::MetricFamily> >> = {_M_impl = {<std::allocator<prometheus::MetricFamily>> = {<__gnu_cxx::new_allocator<prometheus::MetricFamily>> = {<No data fields>}, <No data fields>}, _M_start = 0x0, _M_finish = 0x0, _M_end_of_storage = 0x0}}, <No data fields>}
        serializer = <optimized out>
        stop_time_of_request = <optimized out>
        duration = <optimized out>
#12 0x0000000000ac0897 in CivetServer::requestHandler (conn=0x1acccb0, cbdata=0x7f0d13dfe800) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/prometheus-cpp/prometheus-cpp-prefix/src/prometheus-cpp/3rdparty/civetweb/src/CivetServer.cpp:152
        request_info = 0x1acccc0
        me = 0x7f0d13d9dcd0
        handler = 0x7f0d13dfe800
#13 0x0000000000acd63d in handle_request (conn=conn@entry=0x1acccb0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/prometheus-cpp/prometheus-cpp-prefix/src/prometheus-cpp/3rdparty/civetweb/src/civetweb.c:14657
        ri = 0x1acccc0
        path = '\000' <repeats 4095 times>
        uri_len = <optimized out>
        is_found = 0
        is_script_resource = <optimized out>
        is_websocket_request = <optimized out>
        is_put_or_delete_request = <optimized out>
        is_callback_resource = <optimized out>
        is_template_text_file = 0
        i = <optimized out>
        file = {stat = {size = 0, last_modified = 0, is_directory = 0, is_gzipped = 0, location = 0}, access = {fp = 0x0}}
        callback_handler = 0xac06e0 <CivetServer::requestHandler(mg_connection*, void*)>
        handler_info = 0x1ace4e0
        subprotocols = 0x0
        ws_connect_handler = 0x0
        ws_ready_handler = 0x0
        ws_data_handler = 0x0
        ws_close_handler = 0x0
        callback_data = 0x7f0d13dfe800
        auth_handler = 0xac0940 <CivetServer::authHandler(mg_connection*, void*)>
        auth_callback_data = 0x7f0d13d9e3b0
        handler_type = 0
        curtime = 1638465110
        date = '\000' <repeats 63 times>
        __func__ = "handle_request"
#14 0x0000000000ace699 in process_new_connection (conn=0x1acccb0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/prometheus-cpp/prometheus-cpp-prefix/src/prometheus-cpp/3rdparty/civetweb/src/civetweb.c:18673
        ebuf = '\000' <repeats 99 times>
        ri = 0x1acccc0
        keep_alive = <optimized out>
        discard_len = <optimized out>
        reqerr = 0
#15 worker_thread_run (conn=0x1acccb0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/prometheus-cpp/prometheus-cpp-prefix/src/prometheus-cpp/3rdparty/civetweb/src/civetweb.c:19090
        ctx = 0x1acedf0
        thread_index = <optimized out>
        tls = {is_master = 0, thread_idx = 5, user_ptr = 0x0, alpn_proto = 0x0}
#16 worker_thread (thread_func_param=0x1acccb0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/prometheus-cpp/prometheus-cpp-prefix/src/prometheus-cpp/3rdparty/civetweb/src/civetweb.c:19145
        sa = {__sigaction_handler = {sa_handler = 0x1, sa_sigaction = 0x1}, sa_mask = {__val = {0 <repeats 16 times>}}, sa_flags = 0, sa_restorer = 0x0}
#17 0x00007f0d18faeea5 in start_thread (arg=0x7f0d0bfff700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0d0bfff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139694012626688, -4771262700614340274, 0, 8392704, 3, 139694012626688, 4887256789152674126, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#18 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 268 (Thread 0x7f0d10efa700 (LWP 35651)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
No locals.
#1  0x00007f0d18fb0e9b in _L_lock_883 () from /lib64/libpthread.so.0
No symbol table info available.
#2  0x00007f0d18fb0d68 in __GI___pthread_mutex_lock (mutex=0x7f08f0b67170) at ../nptl/pthread_mutex_lock.c:78
        type = 0
        id = <optimized out>
#3  0x0000000000943fd4 in __gthread_mutex_lock (__mutex=0x7f08f0b67170) at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:749
No locals.
#4  lock (this=0x7f08f0b67170) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_mutex.h:100
        __e = <optimized out>
#5  lock (this=0x7f0d10ee3f40) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/unique_lock.h:138
No locals.
#6  unique_lock (__m=..., this=0x7f0d10ee3f40) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/unique_lock.h:68
No locals.
#7  GetStats (cacheDuration=..., magmaStats=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/db_stats.cc:352
        lock = {_M_device = 0x7f08f0b67170, _M_owns = false}
        now = <optimized out>
#8  magma::Magma::GetStats(magma::Magma::MagmaStats&, std::chrono::duration<long, std::ratio<1l, 1000l> >) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/db_stats.cc:368
No locals.
#9  0x00000000008908e0 in MagmaMemoryTrackingProxy::GetStats(std::chrono::duration<long, std::ratio<1l, 1000l> >) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kvstore/magma-kvstore/magma-memory-tracking-proxy.cc:248
        domainGuard = {previous = cb::Count}
        stats = {_M_t = {<std::__uniq_ptr_impl<magma::Magma::MagmaStats, DomainAwareDelete<magma::Magma::MagmaStats> >> = {
              _M_t = {<std::_Tuple_impl<0, magma::Magma::MagmaStats*, DomainAwareDelete<magma::Magma::MagmaStats> >> = {<std::_Tuple_impl<1, DomainAwareDelete<magma::Magma::MagmaStats> >> = {<std::_Head_base<1, DomainAwareDelete<magma::Magma::MagmaStats>, true>> = {<DomainAwareDelete<magma::Magma::MagmaStats>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Magma::MagmaStats*, false>> = {_M_head_impl = 0x7f0a11ec9400}, <No data fields>}, <No data fields>}}, <No data fields>}}
#10 0x000000000086eca0 in MagmaKVStore::getAggrDbFileInfo (this=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kvstore/magma-kvstore/magma-kvstore.cc:3130
        stats = {_M_t = {<std::__uniq_ptr_impl<magma::Magma::MagmaStats, DomainAwareDelete<magma::Magma::MagmaStats> >> = {
              _M_t = {<std::_Tuple_impl<0, magma::Magma::MagmaStats*, DomainAwareDelete<magma::Magma::MagmaStats> >> = {<std::_Tuple_impl<1, DomainAwareDelete<magma::Magma::MagmaStats> >> = {<std::_Head_base<1, DomainAwareDelete<magma::Magma::MagmaStats>, true>> = {<DomainAwareDelete<magma::Magma::MagmaStats>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Magma::MagmaStats*, false>> = {_M_head_impl = 0x7f0a11ec9400}, <No data fields>}, <No data fields>}}, <No data fields>}}
        vbinfo = {fileSize = 38370955264, spaceUsed = 22441137701, prepareBytes = 0}
#11 0x000000000081f0f5 in EPBucket::getFileStats(BucketStatCollector const&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kvshard.h:72
        dbInfo = {fileSize = 38370955264, spaceUsed = 22441137701, prepareBytes = 0}
        shardId = <optimized out>
        numShards = 72
        totalInfo = {fileSize = 136937271296, spaceUsed = 77913465741, prepareBytes = 0}
#12 0x00000000006b310b in EventuallyPersistentEngine::doEngineStatsLowCardinality(BucketStatCollector const&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_engine.cc:3128
        epstats = @0x7f0d10000058: {warmedUpKeys = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 48555900}, static is_always_lock_free = true}}, warmedUpValues = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 48555900}, static is_always_lock_free = true}}, warmedUpPrepares = {value = {<std::__atomic_base<unsigned long>> = {
                static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, warmupItemsVisitedWhilstLoadingPrepares = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, warmDups = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, warmOOM = {
            value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, warmupMemUsedCap = {static _S_min_alignment = 8, static _S_alignment = 8, _M_i = 1, static is_always_lock_free = <optimized out>}, warmupNumReadCap = {static _S_min_alignment = 8, static _S_alignment = 8, _M_i = 1, static is_always_lock_free = <optimized out>}, 
          diskQueueSize = {<cb::ThrowExceptionUnderflowPolicy<unsigned long>> = {<No data fields>}, value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 157027}, static is_always_lock_free = true}}, flusher_todo = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, flusherCommits = {
            value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 13035457}, static is_always_lock_free = true}}, cumulativeFlushTime = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 35587923}, static is_always_lock_free = true}}, cumulativeCommitTime = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 35329434}, 
              static is_always_lock_free = true}}, tooYoung = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, tooOld = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, totalPersisted = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, 
                _M_i = 34025731}, static is_always_lock_free = true}}, totalPersistVBState = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 13035457}, static is_always_lock_free = true}}, totalEnqueued = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 34241696}, static is_always_lock_free = true}}, totalDeduplicated = {
            value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 244337}, static is_always_lock_free = true}}, flushFailed = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, flushExpired = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, 
          expired_access = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, expired_compactor = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, expired_pager = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
              static is_always_lock_free = true}}, beginFailed = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, commitFailed = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, dirtyAge = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 3}, 
            static is_always_lock_free = true}, dirtyAgeHighWat = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 20372}, static is_always_lock_free = true}, commit_time = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, vbucketDeletions = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 106}, 
              static is_always_lock_free = true}}, vbucketDeletionFail = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, mem_low_wat = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 80530636800}, static is_always_lock_free = true}, mem_low_wat_percent = {static _S_min_alignment = 8, static _S_alignment = 8, 
            _M_i = 0.75, static is_always_lock_free = <optimized out>}, mem_high_wat = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 91268055040}, static is_always_lock_free = true}, mem_high_wat_percent = {static _S_min_alignment = 8, static _S_alignment = 8, _M_i = 0.84999999999999998, static is_always_lock_free = <optimized out>}, cursorsDropped = {
            value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, memFreedByCheckpointRemoval = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 27985082980}, static is_always_lock_free = true}, memFreedByCheckpointItemExpel = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
              static is_always_lock_free = true}}, pagerRuns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 2}, static is_always_lock_free = true}}, expiryPagerRuns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 3}, static is_always_lock_free = true}}, freqDecayerRuns = {value = {<std::__atomic_base<unsigned long>> = {
                static _S_alignment = 8, _M_i = 1}, static is_always_lock_free = true}}, itemsExpelledFromCheckpoints = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, itemsRemovedFromCheckpoints = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 24118482}, static is_always_lock_free = true}}, 
          numValueEjects = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 19506418}, static is_always_lock_free = true}}, numFailedEjects = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 1112124}, static is_always_lock_free = true}}, numNotMyVBuckets = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 291}, 
              static is_always_lock_free = true}}, coreLocal = {coreArray = {<std::_Vector_base<folly::aligned<CoreLocalStats, 64>, std::allocator<folly::aligned<CoreLocalStats, 64> > >> = {
                _M_impl = {<std::allocator<folly::aligned<CoreLocalStats, 64> >> = {<__gnu_cxx::new_allocator<folly::aligned<CoreLocalStats, 64> >> = {<No data fields>}, <No data fields>}, <std::_Vector_base<folly::aligned<CoreLocalStats, 64>, std::allocator<folly::aligned<CoreLocalStats, 64> > >::_Vector_impl_data> = {_M_start = 0x7f0d1000a000, _M_finish = 0x7f0d1000d600, 
                    _M_end_of_storage = 0x7f0d1000d600}, <No data fields>}}, <No data fields>}}, replicaHTMemory = {value = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, replicaCheckpointOverhead = {value = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, forceShutdown = {_M_base = {
              static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, oom_errors = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, tmp_oom_errors = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, pendingOps = {
            value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, pendingOpsTotal = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, pendingOpsMax = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, 
          pendingOpsMaxDuration = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, pendingOpsHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036000}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, pendingCompactions = {
            value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, bg_fetched = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 9139390}, static is_always_lock_free = true}}, bg_meta_fetched = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 4572495}, 
              static is_always_lock_free = true}}, numRemainingBgItems = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, numRemainingBgJobs = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, bgNumOperations = {value = {<std::__atomic_base<unsigned long>> = {
                static _S_alignment = 8, _M_i = 13711885}, static is_always_lock_free = true}}, bgWait = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 4205612781}, static is_always_lock_free = true}, bgMinWait = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 1}, static is_always_lock_free = true}, bgMaxWait = {<std::__atomic_base<unsigned long>> = {
              static _S_alignment = 8, _M_i = 259159}, static is_always_lock_free = true}, bgWaitHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d100360c0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          bgLoad = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 6402203182}, static is_always_lock_free = true}, bgMinLoad = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 5}, static is_always_lock_free = true}, bgMaxLoad = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 255279}, static is_always_lock_free = true}, 
          bgLoadHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036180}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          vbucketDelMaxWalltime = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 1416393}, static is_always_lock_free = true}, vbucketDelTotWalltime = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 66089341}, static is_always_lock_free = true}, setWithMetaHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036240}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, accessScannerHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036300}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          checkpointRemoverHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d100363c0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, itemPagerHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036480}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, expiryPagerHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036540}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, replicationThrottleThreshold = {
            static _S_min_alignment = 8, static _S_alignment = 8, _M_i = 0.98999999999999999, static is_always_lock_free = <optimized out>}, numOpsStore = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 9145588}, static is_always_lock_free = true}}, numOpsDelete = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 4576209}, 
              static is_always_lock_free = true}}, numOpsGet = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, numOpsGetMeta = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, numOpsSetMeta = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, 
                _M_i = 0}, static is_always_lock_free = true}}, numOpsDelMeta = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, numOpsSetMetaResolutionFailed = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, numOpsDelMetaResolutionFailed = {
            value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, numOpsSetRetMeta = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, numOpsDelRetMeta = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, 
          numOpsGetMetaOnSetWithMeta = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, alogRuns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 72}, static is_always_lock_free = true}}, accessScannerSkips = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
              static is_always_lock_free = true}}, alogNumItems = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 961103}, static is_always_lock_free = true}}, alogTime = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 1638583200}, static is_always_lock_free = true}, alogRuntime = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, 
            static is_always_lock_free = true}, expPagerTime = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 1638465438}, static is_always_lock_free = true}, isShutdown = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, rollbackCount = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 17}, 
              static is_always_lock_free = true}}, defragNumVisited = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 1082414}, static is_always_lock_free = true}}, defragNumMoved = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, defragStoredValueNumMoved = {value = {<std::__atomic_base<unsigned long>> = {
                static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, compressorNumVisited = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, compressorNumCompressed = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, 
          dirtyAgeHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036600}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          itemAllocSizeHisto = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
            histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                    _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                          _M_head_impl = 0x7f0d100366c0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, getMultiBatchSizeHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036780}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          activeOrPendingFrequencyValuesEvictedHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Linear, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036840}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          replicaFrequencyValuesEvictedHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Linear, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036900}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          activeOrPendingFrequencyValuesSnapshotHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Linear, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d100369c0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          replicaFrequencyValuesSnapshotHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Linear, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036a80}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, getVbucketCmdHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036b40}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, setVbucketCmdHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036c00}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, delVbucketCmdHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036cc0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, getCmdHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036d80}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          storeCmdHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036e40}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          arithCmdHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036f00}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, notifyIOHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036fc0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          getStatsCmdHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10037080}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          chkPersistenceHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10037140}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, diskInsertHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10037200}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, diskUpdateHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d100372c0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          diskDelHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10037380}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          diskVBDelHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10037440}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, diskCommitHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10037500}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          schedulingHisto = {<std::_Vector_base<Hdr1sfMicroSecHistogram, std::allocator<Hdr1sfMicroSecHistogram> >> = {_M_impl = {<std::allocator<Hdr1sfMicroSecHistogram>> = {<__gnu_cxx::new_allocator<Hdr1sfMicroSecHistogram>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<Hdr1sfMicroSecHistogram, std::allocator<Hdr1sfMicroSecHistogram> >::_Vector_impl_data> = {_M_start = 0x7f086197b800, 
                  _M_finish = 0x7f086197be30, _M_end_of_storage = 0x7f086197be30}, <No data fields>}}, <No data fields>}, taskRuntimeHisto = {<std::_Vector_base<Hdr1sfMicroSecHistogram, std::allocator<Hdr1sfMicroSecHistogram> >> = {
              _M_impl = {<std::allocator<Hdr1sfMicroSecHistogram>> = {<__gnu_cxx::new_allocator<Hdr1sfMicroSecHistogram>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<Hdr1sfMicroSecHistogram, std::allocator<Hdr1sfMicroSecHistogram> >::_Vector_impl_data> = {_M_start = 0x7f0861979c00, _M_finish = 0x7f086197a230, _M_end_of_storage = 0x7f086197a230}, <No data fields>}}, <No data fields>}, 
          persistenceCursorGetItemsHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d100375c0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          dcpCursorsGetItemsHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10037680}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          syncWriteCommitTimes = {_M_elems = {{<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
                  histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                          _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                                _M_head_impl = 0x7f0d10037740}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                      static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                      static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
              {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
                  histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                          _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                                _M_head_impl = 0x7f0d10037800}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                      static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                      static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
              {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
                  histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                          _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                                _M_head_impl = 0x7f0d100378c0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                      static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                      static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}}}, 
          arena = {estimateUpdateThreshold = {value = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 102400}, static is_always_lock_free = true}}, arena = 2, index = 0 '\000', threadCache = true}, timingLog = 0x0, maxDataSize = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 107374182400}, static is_always_lock_free = true}}
        flusher = <optimized out>
        memUsed = <optimized out>
#13 0x00000000006bde51 in EventuallyPersistentEngine::get_prometheus_stats(BucketStatCollector const&, cb::prometheus::Cardinality) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_engine.cc:402
        status = <optimized out>
#14 0x00000000005a64bd in operator() (bucket=..., __closure=0x7f0d10ee4390) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/stats.cc:228
        bucketC = {<LabelledStatCollector> = {<StatCollector> = {_vptr.StatCollector = 0xca7270 <vtable for BucketStatCollector+16>}, parent = @0x7f0d10ee4410, defaultLabels = {
              _M_h = {<std::__detail::_Hashtable_base<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Select1st, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, true>> = {<std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >> = {<std::__hash_base<unsigned long, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, true>> = {<std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >> = {<std::binary_function<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d130f79f0, _M_bucket_count = 2, _M_before_begin = {_M_nxt = 0x7f0d1354aed0}, _M_element_count = 1, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 2}, _M_single_bucket = 0x0}}}, <No data fields>}
        cardinality = cb::prometheus::Low
        collector = @0x7f0d10ee4410: {_vptr.StatCollector = 0xca7978 <vtable for PrometheusStatCollector+16>}
#15 __invoke_impl<bool, server_prometheus_stats(const StatCollector&, cb::prometheus::Cardinality)::<lambda(Bucket&, void*)>&, Bucket&, void*> (__f=...) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/invoke.h:60
No locals.
#16 __invoke_r<bool, server_prometheus_stats(const StatCollector&, cb::prometheus::Cardinality)::<lambda(Bucket&, void*)>&, Bucket&, void*> (__fn=...) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/invoke.h:113
No locals.
#17 std::_Function_handler<bool (Bucket&, void*), server_prometheus_stats(StatCollector const&, cb::prometheus::Cardinality)::{lambda(Bucket&, void*)#1}>::_M_invoke(std::_Any_data const&, Bucket&, void*&&) () at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:291
No locals.
#18 0x00000000005bc0fd in operator() (__args#1=<optimized out>, __args#0=..., this=0x7f0d10ee4390) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
No locals.
#19 BucketManager::forEach(std::function<bool (Bucket&, void*)>, void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/buckets.cc:446
        ready = true
        do_break = false
        bucket = @0x10733f0: {mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, cond = {_M_cond = {__data = {__lock = 0, __futex = 0, __total_seq = 0, __wakeup_seq = 0, __woken_seq = 0, __mutex = 0x0, 
                __nwaiters = 0, __broadcast_seq = 0}, __size = '\000' <repeats 47 times>, __align = 0}}, clients = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 18}, static is_always_lock_free = true}, state = {static _S_min_alignment = 1, static _S_alignment = 1, _M_i = Bucket::Ready, static is_always_lock_free = <optimized out>}, 
          items_in_transit = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, type = Couchbase, name = "GleamBookUsers0", '\000' <repeats 85 times>, stats = {<std::_Vector_base<thread_stats, std::allocator<thread_stats> >> = {
              _M_impl = {<std::allocator<thread_stats>> = {<__gnu_cxx::new_allocator<thread_stats>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<thread_stats, std::allocator<thread_stats> >::_Vector_impl_data> = {_M_start = 0x7f0d12f91800, _M_finish = 0x7f0d12f95000, _M_end_of_storage = 0x7f0d12f95000}, <No data fields>}}, <No data fields>}, timings = {lock = {<std::__mutex_base> = {_M_mutex = {
                  __data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, interval_latency_lookups = {intervals = {<cb::RingBufferBase<cb::sampling::Interval, std::array<cb::sampling::Interval, 10> >> = {first = 2, array = {_M_elems = {{count = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, 
                        duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
                            static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, 
                      {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}}}}, <No data fields>}}, interval_latency_mutations = {intervals = {<cb::RingBufferBase<cb::sampling::Interval, std::array<cb::sampling::Interval, 10> >> = {first = 2, array = {_M_elems = {{count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968907}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415652529025}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15969012}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 11415679324950}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968762}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415606641243}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968829}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 11415627540727}, static is_always_lock_free = true}}}}}}, <No data fields>}}, timings = {_M_elems = {{_M_b = {_M_p = 0x7f0cf6c95720}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c93be0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a120cdf40}, static is_always_lock_free = <optimized out>}, {_M_b = {
                    _M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c95660}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 11 times>, {_M_b = {_M_p = 0x7f0cf6cd0b60}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 14 times>, 
                {_M_b = {_M_p = 0x7f08ea5e4160}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 29 times>, {_M_b = {_M_p = 0x7f08c0e0f340}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a12256400}, static is_always_lock_free = <optimized out>}, {
                  _M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 16 times>, {_M_b = {_M_p = 0x7f08ea5e4060}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08eaa73960}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a1193efa0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08eaa73980}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0d135e20a0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a12236920}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a11d7a1a0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a11d7a240}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08ea5e4660}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c92c40}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08ea5e4480}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c956e0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a122369a0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, 
                  static is_always_lock_free = <optimized out>} <repeats 39 times>, {_M_b = {_M_p = 0x7f0a12c69920}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 35 times>, {_M_b = {_M_p = 0x7f08eaa735e0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {
                    _M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08c0df8960}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f089b87ece0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a11685fc0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 67 times>, {_M_b = {_M_p = 0x7f08ea5e4520}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}}}, 
            histogram_mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, interval_counters = {
              coreArray = {<std::_Vector_base<std::array<cb::sampling::Interval, 256>, std::allocator<std::array<cb::sampling::Interval, 256> > >> = {
                  _M_impl = {<std::allocator<std::array<cb::sampling::Interval, 256> >> = {<__gnu_cxx::new_allocator<std::array<cb::sampling::Interval, 256> >> = {<No data fields>}, <No data fields>}, <std::_Vector_base<std::array<cb::sampling::Interval, 256>, std::allocator<std::array<cb::sampling::Interval, 256> > >::_Vector_impl_data> = {_M_start = 0x7f0d16267000, _M_finish = 0x7f0d162af000, 
                      _M_end_of_storage = 0x7f0d162af000}, <No data fields>}}, <No data fields>}}}, subjson_operation_times = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d16264240}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, jsonValidateTimes = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d16264300}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          snappyDecompressionTimes = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d162643c0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, responseCounters = {_M_elems = {{
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 18417665}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 6}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 291}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}} <repeats 126 times>, {
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 484132}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}} <repeats 81 times>}}, clusterConfiguration = {
            config = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<ClusterConfiguration::Configuration, std::default_delete<ClusterConfiguration::Configuration> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {
                _M_t = {<std::__uniq_ptr_impl<ClusterConfiguration::Configuration, std::default_delete<ClusterConfiguration::Configuration> >> = {
                    _M_t = {<std::_Tuple_impl<0, ClusterConfiguration::Configuration*, std::default_delete<ClusterConfiguration::Configuration> >> = {<std::_Tuple_impl<1, std::default_delete<ClusterConfiguration::Configuration> >> = {<std::_Head_base<1, std::default_delete<ClusterConfiguration::Configuration>, true>> = {<std::default_delete<ClusterConfiguration::Configuration>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, ClusterConfiguration::Configuration*, false>> = {_M_head_impl = 0x7f08c0e05490}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, 
                    __align = 0}}, <No data fields>}}}, max_document_size = 20971520, supportedFeatures = {
            _M_h = {<std::__detail::_Hashtable_base<cb::engine::Feature, cb::engine::Feature, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, true, true> >> = {<std::__detail::_Hash_code_base<cb::engine::Feature, cb::engine::Feature, std::__detail::_Identity, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<cb::engine::Feature>, true>> = {<std::hash<cb::engine::Feature>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<cb::engine::Feature>, true>> = {<std::equal_to<cb::engine::Feature>> = {<std::binary_function<cb::engine::Feature, cb::engine::Feature, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, true>> = {<std::__detail::_Insert_base<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<cb::engine::Feature, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<cb::engine::Feature, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<cb::engine::Feature, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<cb::engine::Feature, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, 
              _M_buckets = 0x7f0a116fa220, _M_bucket_count = 13, _M_before_begin = {_M_nxt = 0x7f0a120cdd00}, _M_element_count = 1, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 13}, _M_single_bucket = 0x0}}, engine = {_M_t = {<std::__uniq_ptr_impl<EngineIface, EngineDeletor>> = {
                _M_t = {<std::_Tuple_impl<0, EngineIface*, EngineDeletor>> = {<std::_Tuple_impl<1, EngineDeletor>> = {<std::_Head_base<1, EngineDeletor, false>> = {_M_head_impl = {force = false}}, <No data fields>}, <std::_Head_base<0, EngineIface*, false>> = {_M_head_impl = 0x7f0d10000000}, <No data fields>}, <No data fields>}}, <No data fields>}}, bucketDcp = 0x7f0d10000008}
        __for_begin = 0x10733f0 <all_buckets+4656>
        all_bucket_lock = {_M_device = @0x10e4ec0}
#20 0x00000000005a3a1e in server_prometheus_stats(StatCollector const&, cb::prometheus::Cardinality) () at /opt/gcc-10.2.0/include/c++/10.2.0/new:175
No locals.
#21 0x0000000000abb3da in operator() (__args#1=<optimized out>, __args#0=..., this=0x7f0d12f57720) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
No locals.
#22 cb::prometheus::MetricServer::KVCollectable::Collect (this=0x7f0d12f57710) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/statistics/prometheus.cc:122
        timestamp = <optimized out>
        timestampMs = 1638465103000
        statsMap = {
          _M_h = {<std::__detail::_Hashtable_base<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, prometheus::MetricFamily>, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, prometheus::MetricFamily>, std::__detail::_Select1st, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, true>> = {<std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >> = {<std::__hash_base<unsigned long, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, true>> = {<std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >> = {<std::binary_function<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, prometheus::MetricFamily>, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, prometheus::MetricFamily> >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, prometheus::MetricFamily>, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, prometheus::MetricFamily> >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, prometheus::MetricFamily>, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, prometheus::MetricFamily> >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, prometheus::MetricFamily>, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, prometheus::MetricFamily> >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, prometheus::MetricFamily>, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, prometheus::MetricFamily> >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, prometheus::MetricFamily>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, prometheus::MetricFamily>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, prometheus::MetricFamily>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, prometheus::MetricFamily>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0cf6e60c00, _M_bucket_count = 127, _M_before_begin = {_M_nxt = 0x7f0d13d9cc40}, _M_element_count = 96, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 127}, _M_single_bucket = 0x0}}
        collector = {<StatCollector> = {_vptr.StatCollector = 0xca7978 <vtable for PrometheusStatCollector+16>}, metricFamilies = @0x7f0d10ee4440, prefix = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d10ee4430 "kv_"}, _M_string_length = 3, {
              _M_local_buf = "kv_\000\000\000\000\000ϱ[\000\000\000\000", _M_allocated_capacity = 6256235}}}
        result = {<std::_Vector_base<prometheus::MetricFamily, std::allocator<prometheus::MetricFamily> >> = {_M_impl = {<std::allocator<prometheus::MetricFamily>> = {<__gnu_cxx::new_allocator<prometheus::MetricFamily>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<prometheus::MetricFamily, std::allocator<prometheus::MetricFamily> >::_Vector_impl_data> = {_M_start = 0x7f0a12bec700, 
                _M_finish = 0x7f0a12bec820, _M_end_of_storage = 0x7f0a12bec880}, <No data fields>}}, <No data fields>}
#23 0x0000000000ad36bb in prometheus::detail::CollectMetrics (collectables=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/prometheus-cpp/prometheus-cpp-prefix/src/prometheus-cpp/pull/src/metrics_collector.cc:18
        collectable = {<std::__shared_ptr<prometheus::Collectable, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<prometheus::Collectable, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = <optimized out>, _M_refcount = {_M_pi = 0x7f0d12f57700}}, <No data fields>}
        metrics = <optimized out>
        collected_metrics = {<std::_Vector_base<prometheus::MetricFamily, std::allocator<prometheus::MetricFamily> >> = {_M_impl = {<std::allocator<prometheus::MetricFamily>> = {<__gnu_cxx::new_allocator<prometheus::MetricFamily>> = {<No data fields>}, <No data fields>}, _M_start = 0x7f0d12f80900, _M_finish = 0x7f0d12f80a20, _M_end_of_storage = 0x7f0d12f80a20}}, <No data fields>}
#24 0x0000000000ad26f8 in prometheus::detail::MetricsHandler::handleGet (this=0x7f0d13dfe880, conn=0x1acd698) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/prometheus-cpp/prometheus-cpp-prefix/src/prometheus-cpp/pull/src/handler.cc:129
        lock = {_M_device = @0x7f0d13dfe888}
        metrics = {<std::_Vector_base<prometheus::MetricFamily, std::allocator<prometheus::MetricFamily> >> = {_M_impl = {<std::allocator<prometheus::MetricFamily>> = {<__gnu_cxx::new_allocator<prometheus::MetricFamily>> = {<No data fields>}, <No data fields>}, _M_start = 0x0, _M_finish = 0x0, _M_end_of_storage = 0x0}}, <No data fields>}
        serializer = <optimized out>
        stop_time_of_request = <optimized out>
        duration = <optimized out>
#25 0x0000000000ac0897 in CivetServer::requestHandler (conn=0x1acd698, cbdata=0x7f0d13dfe880) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/prometheus-cpp/prometheus-cpp-prefix/src/prometheus-cpp/3rdparty/civetweb/src/CivetServer.cpp:152
        request_info = 0x1acd6a8
        me = 0x7f0d13d9dcd0
        handler = 0x7f0d13dfe880
#26 0x0000000000acd63d in handle_request (conn=conn@entry=0x1acd698) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/prometheus-cpp/prometheus-cpp-prefix/src/prometheus-cpp/3rdparty/civetweb/src/civetweb.c:14657
        ri = 0x1acd6a8
        path = '\000' <repeats 4095 times>
        uri_len = <optimized out>
        is_found = 0
        is_script_resource = <optimized out>
        is_websocket_request = <optimized out>
        is_put_or_delete_request = <optimized out>
        is_callback_resource = <optimized out>
        is_template_text_file = 0
        i = <optimized out>
        file = {stat = {size = 0, last_modified = 0, is_directory = 0, is_gzipped = 0, location = 0}, access = {fp = 0x0}}
        callback_handler = 0xac06e0 <CivetServer::requestHandler(mg_connection*, void*)>
        handler_info = 0x1ace200
        subprotocols = 0x0
        ws_connect_handler = 0x0
        ws_ready_handler = 0x0
        ws_data_handler = 0x0
        ws_close_handler = 0x0
        callback_data = 0x7f0d13dfe880
        auth_handler = 0xac0940 <CivetServer::authHandler(mg_connection*, void*)>
        auth_callback_data = 0x7f0d13d9e590
        handler_type = 0
        curtime = 1638465103
        date = '\000' <repeats 63 times>
        __func__ = "handle_request"
#27 0x0000000000ace699 in process_new_connection (conn=0x1acd698) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/prometheus-cpp/prometheus-cpp-prefix/src/prometheus-cpp/3rdparty/civetweb/src/civetweb.c:18673
        ebuf = '\000' <repeats 99 times>
        ri = 0x1acd6a8
        keep_alive = <optimized out>
        discard_len = <optimized out>
        reqerr = 0
#28 worker_thread_run (conn=0x1acd698) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/prometheus-cpp/prometheus-cpp-prefix/src/prometheus-cpp/3rdparty/civetweb/src/civetweb.c:19090
        ctx = 0x1acedf0
        thread_index = <optimized out>
        tls = {is_master = 0, thread_idx = 6, user_ptr = 0x0, alpn_proto = 0x0}
#29 worker_thread (thread_func_param=0x1acd698) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/prometheus-cpp/prometheus-cpp-prefix/src/prometheus-cpp/3rdparty/civetweb/src/civetweb.c:19145
        sa = {__sigaction_handler = {sa_handler = 0x1, sa_sigaction = 0x1}, sa_mask = {__val = {0 <repeats 16 times>}}, sa_flags = 0, sa_restorer = 0x0}
#30 0x00007f0d18faeea5 in start_thread (arg=0x7f0d10efa700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0d10efa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139694095443712, -4771262700614340274, 0, 8392704, 3, 139694095443712, 4887302828517732686, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#31 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 267 (Thread 0x7f0d116fb700 (LWP 35652)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x0000000000ac4f1b in produce_socket (sp=0x7f0d116e9900, ctx=0x1acedf0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/prometheus-cpp/prometheus-cpp-prefix/src/prometheus-cpp/3rdparty/civetweb/src/civetweb.c:18890
        queue_filled = <optimized out>
#2  accept_new_connection (ctx=0x1acedf0, listener=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/prometheus-cpp/prometheus-cpp-prefix/src/prometheus-cpp/3rdparty/civetweb/src/civetweb.c:19232
        so = {sock = 13047, lsa = {sa = {sa_family = 2, sa_data = ",\020\177\000\000\001\000\000\000\000\000\000\000"}, sin = {sin_family = 2, sin_port = 4140, sin_addr = {s_addr = 16777343}, sin_zero = "\000\000\000\000\000\000\000"}, sin6 = {sin6_family = 2, sin6_port = 4140, sin6_flowinfo = 16777343, sin6_addr = {__in6_u = {__u6_addr8 = '\000' <repeats 15 times>, __u6_addr16 = {0, 0, 0, 0, 0, 0, 0, 0}, 
                  __u6_addr32 = {0, 0, 0, 0}}}, sin6_scope_id = 0}}, rsa = {sa = {sa_family = 2, sa_data = "\271\264\177\000\000\001\000\000\000\000\000\000\000"}, sin = {sin_family = 2, sin_port = 46265, sin_addr = {s_addr = 16777343}, sin_zero = "\000\000\000\000\000\000\000"}, sin6 = {sin6_family = 2, sin6_port = 46265, sin6_flowinfo = 16777343, sin6_addr = {__in6_u = {__u6_addr8 = '\000' <repeats 15 times>, 
                  __u6_addr16 = {0, 0, 0, 0, 0, 0, 0, 0}, __u6_addr32 = {0, 0, 0, 0}}}, sin6_scope_id = 0}}, is_ssl = 0 '\000', ssl_redir = 0 '\000', in_use = 0 '\000'}
        src_addr = '\000' <repeats 49 times>
        len = 16
        on = 1
#3  master_thread_run (ctx=0x1acedf0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/prometheus-cpp/prometheus-cpp-prefix/src/prometheus-cpp/3rdparty/civetweb/src/civetweb.c:19300
        tls = {is_master = 1, thread_idx = 1, user_ptr = 0x0, alpn_proto = 0x2 <Address 0x2 out of bounds>}
        pfd = <optimized out>
        i = 0
        workerthreadcount = <optimized out>
#4  master_thread (thread_func_param=0x1acedf0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/prometheus-cpp/prometheus-cpp-prefix/src/prometheus-cpp/3rdparty/civetweb/src/civetweb.c:19386
        sa = {__sigaction_handler = {sa_handler = 0x1, sa_sigaction = 0x1}, sa_mask = {__val = {0 <repeats 16 times>}}, sa_flags = 0, sa_restorer = 0x0}
#5  0x00007f0d18faeea5 in start_thread (arg=0x7f0d116fb700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0d116fb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139694103836416, -4771262700614340274, 0, 8392704, 3, 139694103836416, 4887306127589486926, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#6  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 266 (Thread 0x7f0d0a7fc700 (LWP 35664)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d12f6a900, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c460
        events = 0x7f0d12f68500
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d12f6a900, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d1360e010, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d0a7ea920, prev_ = 0x7f0d0a7ea920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d1360e010}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125877875988}}
        idleStart = {__d = {__r = 15123519875556322}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d1360e010) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d1360e010) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d1360e000) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d1360e000: {thread_id = 139693987448576, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d14cfe410}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1360e050, prev_ = 0x7f0d1360e050}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1360e060, prev_ = 0x7f0d1360e060}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1360e078, prev_ = 0x7f0d1360e078}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 239, 
                static tls_lastDeferredReaderSlot = 239, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693987448576}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f57a00}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d13daf700}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 0.84117032172107342, buffer_time_ = {__r = 1089700}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 0.84117032172107342, buffer_time_ = {__r = 1089700}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 2351565, latestLoopCnt_ = 2351564, 
            startWork_ = {__d = {__r = 15123519875556161}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d1360e1c8 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1360e208, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1360e240, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 239, static tls_lastDeferredReaderSlot = 239, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d14cfe440}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 0, subdoc_op = {
            m_path = 0x7f0d134ce500, m_jsn = 0x1acf8a0, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 1, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d13db0e40, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f47600, _M_first = 0x7f0d12f47600, _M_last = 0x7f0d12f47800, 
                            _M_node = 0x7f0d13db0e58}, _M_finish = {_M_cur = 0x7f0d12f47600, _M_first = 0x7f0d12f47600, _M_last = 0x7f0d12f47800, _M_node = 0x7f0d13db0e58}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {
            _M_elems = "\200\\\000\000\000\000\000\000\000\000\000\000\210\226\230", '\000' <repeats 2032 times>}, shutdown_next_log = 0, new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, 
              static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d135361a0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0d0a7fc700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0d0a7fc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693987448576, -4771262700614340274, 0, 8392704, 0, 139693987448576, 4887255685882949966, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 265 (Thread 0x7f0d09ffb700 (LWP 35665)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d12f6ac00, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c000
        events = 0x7f0d12f68680
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d12f6ac00, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d1360ebe0, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d09fe9920, prev_ = 0x7f0d09fe9920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d1360ebe0}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125877997633}}
        idleStart = {__d = {__r = 15123519875627101}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d1360ebe0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d1360ebe0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d1360ebd0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d1360ebd0: {thread_id = 139693979055872, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d14cfe590}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1360ec20, prev_ = 0x7f0d1360ec20}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1360ec30, prev_ = 0x7f0d1360ec30}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1360ec48, prev_ = 0x7f0d1360ec48}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 135, 
                static tls_lastDeferredReaderSlot = 135, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693979055872}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f57940}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d13daf900}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 3.5296850322322909e-39, buffer_time_ = {__r = 2457}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 3.5296850322322909e-39, buffer_time_ = {__r = 2457}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 241913, latestLoopCnt_ = 241912, 
            startWork_ = {__d = {__r = 15123519875626897}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d1360ed98 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1360edd8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1360ee10, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 135, static tls_lastDeferredReaderSlot = 135, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d14cfe580}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 1, subdoc_op = {
            m_path = 0x7f0d134cea00, m_jsn = 0x1ad0080, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f57c40, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f47800, _M_first = 0x7f0d12f47800, _M_last = 0x7f0d12f47a00, 
                            _M_node = 0x7f0d12f57c58}, _M_finish = {_M_cur = 0x7f0d12f47801, _M_first = 0x7f0d12f47800, _M_last = 0x7f0d12f47a00, _M_node = 0x7f0d12f57c58}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {
            _M_elems = "\200\\\000\000\000\000\000\000\000\000\000\000\201\226\230", '\000' <repeats 2032 times>}, shutdown_next_log = 0, new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, 
              static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d135361d0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0d09ffb700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0d09ffb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693979055872, -4771262700614340274, 0, 8392704, 0, 139693979055872, 4887252388958679374, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 264 (Thread 0x7f0d097fa700 (LWP 35666)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d12f6af00, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5cf20
        events = 0x7f0d12f68800
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d12f6af00, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d1360f7b0, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d097e8920, prev_ = 0x7f0d097e8920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d1360f7b0}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125878112415}}
        idleStart = {__d = {__r = 15123519875609111}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d1360f7b0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d1360f7b0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d1360f7a0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d1360f7a0: {thread_id = 139693970663168, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d14cfe550}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1360f7f0, prev_ = 0x7f0d1360f7f0}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1360f800, prev_ = 0x7f0d1360f800}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1360f818, prev_ = 0x7f0d1360f818}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 170, 
                static tls_lastDeferredReaderSlot = 170, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693970663168}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f57c00}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d13dafa00}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 1.0603565121425317e-08, buffer_time_ = {__r = 2397}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 1.0603565121425317e-08, buffer_time_ = {__r = 2397}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 472731, latestLoopCnt_ = 472730, 
            startWork_ = {__d = {__r = 15123519875609019}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d1360f968 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1360f9a8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1360f9e0, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 170, static tls_lastDeferredReaderSlot = 170, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d14cfe560}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 2, subdoc_op = {
            m_path = 0x7f0d134cef00, m_jsn = 0x1ad0860, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f57980, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f47c00, _M_first = 0x7f0d12f47c00, _M_last = 0x7f0d12f47e00, 
                            _M_node = 0x7f0d12f57998}, _M_finish = {_M_cur = 0x7f0d12f47c01, _M_first = 0x7f0d12f47c00, _M_last = 0x7f0d12f47e00, _M_node = 0x7f0d12f57998}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {
            _M_elems = "\200]\000\000\004\000\000\000\000\000\000\004\215", '\000' <repeats 12 times>, "\240\000\336\000\177Es", '\000' <repeats 2015 times>}, shutdown_next_log = 0, new_conn_queue = {
            connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13536200) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0d097fa700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0d097fa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693970663168, -4771262700614340274, 0, 8392704, 0, 139693970663168, 4887253487933436238, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 263 (Thread 0x7f0d08ff9700 (LWP 35667)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d12f6b200, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c240
        events = 0x7f0d12f68980
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d12f6b200, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d13610380, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d08fe7920, prev_ = 0x7f0d08fe7920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d13610380}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125878238572}}
        idleStart = {__d = {__r = 15123519875633051}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d13610380) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d13610380) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d13610370) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d13610370: {thread_id = 139693962270464, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d14cfe500}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136103c0, prev_ = 0x7f0d136103c0}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136103d0, prev_ = 0x7f0d136103d0}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136103e8, prev_ = 0x7f0d136103e8}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 144, 
                static tls_lastDeferredReaderSlot = 144, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693962270464}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f57c80}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d13dafb00}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 3.3069380171041423, buffer_time_ = {__r = 2451}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 3.3069380171041423, buffer_time_ = {__r = 2451}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 1783739, latestLoopCnt_ = 1783738, 
            startWork_ = {__d = {__r = 15123519875632955}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13610538 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13610578, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d136105b0, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 144, static tls_lastDeferredReaderSlot = 144, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d14cfe510}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 3, subdoc_op = {
            m_path = 0x7f0d134cf400, m_jsn = 0x1ad1040, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 1, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f57cc0, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d13d95000, _M_first = 0x7f0d13d95000, _M_last = 0x7f0d13d95200, 
                            _M_node = 0x7f0d12f57cd8}, _M_finish = {_M_cur = 0x7f0d13d95000, _M_first = 0x7f0d13d95000, _M_last = 0x7f0d13d95200, _M_node = 0x7f0d12f57cd8}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13536230) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0d08ff9700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0d08ff9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693962270464, -4771262700614340274, 0, 8392704, 0, 139693962270464, 4887250186714198350, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 262 (Thread 0x7f0d03fff700 (LWP 35668)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d12f6b500, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c300
        events = 0x7f0d12f68b00
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d12f6b500, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d13610f50, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d03fed920, prev_ = 0x7f0d03fed920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d13610f50}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125878353963}}
        idleStart = {__d = {__r = 15123519875653341}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d13610f50) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d13610f50) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d13610f40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d13610f40: {thread_id = 139693878408960, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d14cfe4d0}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13610f90, prev_ = 0x7f0d13610f90}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13610fa0, prev_ = 0x7f0d13610fa0}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13610fb8, prev_ = 0x7f0d13610fb8}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 176, 
                static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693878408960}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f57d00}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d13dafc00}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 3.0882763368449448, buffer_time_ = {__r = 2369}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 3.0882763368449448, buffer_time_ = {__r = 2369}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 1799316, latestLoopCnt_ = 1799315, 
            startWork_ = {__d = {__r = 15123519875653224}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13611108 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13611148, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13611180, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 176, static tls_lastDeferredReaderSlot = 176, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d14cfe460}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 4, subdoc_op = {
            m_path = 0x7f0d134cf900, m_jsn = 0x1ad1820, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 1, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f57d40, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d13d95400, _M_first = 0x7f0d13d95400, _M_last = 0x7f0d13d95600, 
                            _M_node = 0x7f0d12f57d58}, _M_finish = {_M_cur = 0x7f0d13d95400, _M_first = 0x7f0d13d95400, _M_last = 0x7f0d13d95600, _M_node = 0x7f0d12f57d58}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13536260) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0d03fff700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0d03fff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693878408960, -4771262700614340274, 0, 8392704, 0, 139693878408960, 4887274381338718542, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 261 (Thread 0x7f0d037fe700 (LWP 35669)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d12f6b800, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c280
        events = 0x7f0d12f68c80
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d12f6b800, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d13611b20, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d037ec920, prev_ = 0x7f0d037ec920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d13611b20}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125878470623}}
        idleStart = {__d = {__r = 15123519875743387}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d13611b20) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d13611b20) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d13611b10) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d13611b10: {thread_id = 139693870016256, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d14cfe470}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13611b60, prev_ = 0x7f0d13611b60}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13611b70, prev_ = 0x7f0d13611b70}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13611b88, prev_ = 0x7f0d13611b88}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 166, 
                static tls_lastDeferredReaderSlot = 166, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693870016256}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f57d80}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d13dafd00}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 1.2314723101495564, buffer_time_ = {__r = 2561}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 1.2314723101495564, buffer_time_ = {__r = 2561}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 1589590, latestLoopCnt_ = 1589589, 
            startWork_ = {__d = {__r = 15123519875743295}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13611cd8 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13611d18, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13611d50, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 166, static tls_lastDeferredReaderSlot = 166, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d14cfe480}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 5, subdoc_op = {
            m_path = 0x7f0d134cfe00, m_jsn = 0x1ad2000, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 1, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f57dc0, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d13d95800, _M_first = 0x7f0d13d95800, _M_last = 0x7f0d13d95a00, 
                            _M_node = 0x7f0d12f57dd8}, _M_finish = {_M_cur = 0x7f0d13d95800, _M_first = 0x7f0d13d95800, _M_last = 0x7f0d13d95a00, _M_node = 0x7f0d12f57dd8}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13536290) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0d037fe700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0d037fe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693870016256, -4771262700614340274, 0, 8392704, 0, 139693870016256, 4887275480313475406, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 260 (Thread 0x7f0d02ffd700 (LWP 35670)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d12f6bb00, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5cd80
        events = 0x7f0d12f68e00
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d12f6bb00, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d136126f0, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d02feb920, prev_ = 0x7f0d02feb920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d136126f0}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125878586965}}
        idleStart = {__d = {__r = 15123519875741763}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d136126f0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d136126f0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d136126e0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d136126e0: {thread_id = 139693861623552, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d14cfe600}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13612730, prev_ = 0x7f0d13612730}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13612740, prev_ = 0x7f0d13612740}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13612758, prev_ = 0x7f0d13612758}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 245, 
                static tls_lastDeferredReaderSlot = 245, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693861623552}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f57e00}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d13dafe00}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 1.5955048850120957e-40, buffer_time_ = {__r = 2455}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 1.5955048850120957e-40, buffer_time_ = {__r = 2455}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 6910, latestLoopCnt_ = 6909, startWork_ = {
              __d = {__r = 15123519875741666}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d136128a8 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d136128e8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13612920, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 245, static tls_lastDeferredReaderSlot = 245, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d14cfe610}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 6, subdoc_op = {
            m_path = 0x7f0d134d0300, m_jsn = 0x1ad27e0, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f57e40, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d13d95c00, _M_first = 0x7f0d13d95c00, _M_last = 0x7f0d13d95e00, 
                            _M_node = 0x7f0d12f57e58}, _M_finish = {_M_cur = 0x7f0d13d95c01, _M_first = 0x7f0d13d95c00, _M_last = 0x7f0d13d95e00, _M_node = 0x7f0d12f57e58}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d135362c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0d02ffd700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0d02ffd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693861623552, -4771262700614340274, 0, 8392704, 0, 139693861623552, 4887272179094237518, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 259 (Thread 0x7f0d027fc700 (LWP 35671)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d12f6be00, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c160
        events = 0x7f0d12f68f80
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d12f6be00, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d136132c0, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d027ea920, prev_ = 0x7f0d027ea920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d136132c0}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125878701131}}
        idleStart = {__d = {__r = 15123519875736079}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d136132c0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d136132c0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d136132b0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d136132b0: {thread_id = 139693853230848, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f66300}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13613300, prev_ = 0x7f0d13613300}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13613310, prev_ = 0x7f0d13613310}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13613328, prev_ = 0x7f0d13613328}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 74, 
                static tls_lastDeferredReaderSlot = 74, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, _M_i = {
                _M_thread = 139693853230848}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f57e80}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d13daff00}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 2.3246902184731392e-35, buffer_time_ = {__r = 2545}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 2.3246902184731392e-35, buffer_time_ = {__r = 2545}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 6907, latestLoopCnt_ = 6906, startWork_ = {
              __d = {__r = 15123519875735966}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13613478 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d136134b8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d136134f0, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 74, static tls_lastDeferredReaderSlot = 74, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f66310}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 7, subdoc_op = {
            m_path = 0x7f0d134d0800, m_jsn = 0x1ad2fc0, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f57ec0, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d13d96000, _M_first = 0x7f0d13d96000, _M_last = 0x7f0d13d96200, 
                            _M_node = 0x7f0d12f57ed8}, _M_finish = {_M_cur = 0x7f0d13d96001, _M_first = 0x7f0d13d96000, _M_last = 0x7f0d13d96200, _M_node = 0x7f0d12f57ed8}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d135362f0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0d027fc700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0d027fc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693853230848, -4771262700614340274, 0, 8392704, 0, 139693853230848, 4887273278068994382, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 258 (Thread 0x7f0d01ffb700 (LWP 35672)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d12f6c100, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d143fefe0
        events = 0x7f0d12f69100
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d12f6c100, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d13613e90, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d01fe9920, prev_ = 0x7f0d01fe9920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d13613e90}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125878816807}}
        idleStart = {__d = {__r = 15123519875731009}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d13613e90) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d13613e90) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d13613e80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d13613e80: {thread_id = 139693844838144, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f66350}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13613ed0, prev_ = 0x7f0d13613ed0}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13613ee0, prev_ = 0x7f0d13613ee0}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13613ef8, prev_ = 0x7f0d13613ef8}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 241, 
                static tls_lastDeferredReaderSlot = 241, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693844838144}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f57f00}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d13d97000}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 8.3246019135580983e-41, buffer_time_ = {__r = 2383}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 8.3246019135580983e-41, buffer_time_ = {__r = 2383}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 6909, latestLoopCnt_ = 6908, startWork_ = {
              __d = {__r = 15123519875730971}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13614048 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13614088, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d136140c0, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 241, static tls_lastDeferredReaderSlot = 241, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f66360}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 8, subdoc_op = {
            m_path = 0x7f0d134d0d00, m_jsn = 0x1ad37a0, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f57f40, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d13d96400, _M_first = 0x7f0d13d96400, _M_last = 0x7f0d13d96600, 
                            _M_node = 0x7f0d12f57f58}, _M_finish = {_M_cur = 0x7f0d13d96401, _M_first = 0x7f0d13d96400, _M_last = 0x7f0d13d96600, _M_node = 0x7f0d12f57f58}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13536320) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0d01ffb700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0d01ffb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693844838144, -4771262700614340274, 0, 8392704, 0, 139693844838144, 4887269981144723790, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 257 (Thread 0x7f0d017fa700 (LWP 35673)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d12f6c400, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c2e0
        events = 0x7f0d12f69280
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d12f6c400, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d13614a60, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d017e8920, prev_ = 0x7f0d017e8920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d13614a60}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125878937880}}
        idleStart = {__d = {__r = 15123519875846930}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d13614a60) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d13614a60) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d13614a50) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d13614a50: {thread_id = 139693836445440, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f663a0}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13614aa0, prev_ = 0x7f0d13614aa0}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13614ab0, prev_ = 0x7f0d13614ab0}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13614ac8, prev_ = 0x7f0d13614ac8}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 189, 
                static tls_lastDeferredReaderSlot = 189, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693836445440}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f57f80}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d13d97100}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 5.4335352924842708e-41, buffer_time_ = {__r = 2444}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 5.4335352924842708e-41, buffer_time_ = {__r = 2444}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 6907, latestLoopCnt_ = 6906, startWork_ = {
              __d = {__r = 15123519875846794}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13614c18 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13614c58, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13614c90, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 189, static tls_lastDeferredReaderSlot = 189, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f663b0}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 9, subdoc_op = {
            m_path = 0x7f0d134d1200, m_jsn = 0x1ad3f80, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f57fc0, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d13d96600, _M_first = 0x7f0d13d96600, _M_last = 0x7f0d13d96800, 
                            _M_node = 0x7f0d12f57fd8}, _M_finish = {_M_cur = 0x7f0d13d96601, _M_first = 0x7f0d13d96600, _M_last = 0x7f0d13d96800, _M_node = 0x7f0d12f57fd8}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13536350) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0d017fa700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0d017fa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693836445440, -4771262700614340274, 0, 8392704, 0, 139693836445440, 4887271080119480654, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 256 (Thread 0x7f0d00ff9700 (LWP 35674)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d12f6c700, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c580
        events = 0x7f0d12f69400
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d12f6c700, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d13615630, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d00fe7920, prev_ = 0x7f0d00fe7920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d13615630}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125879073388}}
        idleStart = {__d = {__r = 15123519875821952}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d13615630) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d13615630) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d13615620) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d13615620: {thread_id = 139693828052736, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f66a40}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13615670, prev_ = 0x7f0d13615670}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13615680, prev_ = 0x7f0d13615680}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13615698, prev_ = 0x7f0d13615698}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 144, 
                static tls_lastDeferredReaderSlot = 144, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693828052736}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f3d000}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d13d97200}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 1.4228632831584218, buffer_time_ = {__r = 2461}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 1.4228632831584218, buffer_time_ = {__r = 2461}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 1868039, latestLoopCnt_ = 1868038, 
            startWork_ = {__d = {__r = 15123519875821848}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d136157e8 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13615828, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13615860, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 144, static tls_lastDeferredReaderSlot = 144, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f66a50}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 10, subdoc_op = {
            m_path = 0x7f0d134d1700, m_jsn = 0x1ad4760, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 1, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f3d040, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d13d96800, _M_first = 0x7f0d13d96800, _M_last = 0x7f0d13d96a00, 
                            _M_node = 0x7f0d12f3d058}, _M_finish = {_M_cur = 0x7f0d13d96800, _M_first = 0x7f0d13d96800, _M_last = 0x7f0d13d96a00, _M_node = 0x7f0d12f3d058}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13536380) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0d00ff9700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0d00ff9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693828052736, -4771262700614340274, 0, 8392704, 0, 139693828052736, 4887267778900242766, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 255 (Thread 0x7f0d007f8700 (LWP 35675)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d12f6ca00, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c2c0
        events = 0x7f0d12f69580
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d12f6ca00, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d13616200, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d007e6920, prev_ = 0x7f0d007e6920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d13616200}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125879181657}}
        idleStart = {__d = {__r = 15123519875874154}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d13616200) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d13616200) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d136161f0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d136161f0: {thread_id = 139693819660032, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f66a90}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13616240, prev_ = 0x7f0d13616240}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13616250, prev_ = 0x7f0d13616250}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13616268, prev_ = 0x7f0d13616268}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 128, 
                static tls_lastDeferredReaderSlot = 128, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693819660032}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f3d080}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d13d97300}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 1.6395435640489284e-40, buffer_time_ = {__r = 2418}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 1.6395435640489284e-40, buffer_time_ = {__r = 2418}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 6908, latestLoopCnt_ = 6907, startWork_ = {
              __d = {__r = 15123519875873958}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d136163b8 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d136163f8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13616430, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 128, static tls_lastDeferredReaderSlot = 128, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f66aa0}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 11, subdoc_op = {
            m_path = 0x7f0d134d1c00, m_jsn = 0x1ad4f40, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f3d0c0, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d13d96a00, _M_first = 0x7f0d13d96a00, _M_last = 0x7f0d13d96c00, 
                            _M_node = 0x7f0d12f3d0d8}, _M_finish = {_M_cur = 0x7f0d13d96a01, _M_first = 0x7f0d13d96a00, _M_last = 0x7f0d13d96c00, _M_node = 0x7f0d12f3d0d8}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d135363b0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0d007f8700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0d007f8700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693819660032, -4771262700614340274, 0, 8392704, 0, 139693819660032, 4887268877874999630, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 254 (Thread 0x7f0cffff7700 (LWP 35676)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d12f6cd00, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5cdc0
        events = 0x7f0d12f69700
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d12f6cd00, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d13616dd0, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cfffe5920, prev_ = 0x7f0cfffe5920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d13616dd0}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125879291634}}
        idleStart = {__d = {__r = 15123519875911188}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d13616dd0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d13616dd0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d13616dc0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d13616dc0: {thread_id = 139693811267328, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f66ae0}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13616e10, prev_ = 0x7f0d13616e10}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13616e20, prev_ = 0x7f0d13616e20}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13616e38, prev_ = 0x7f0d13616e38}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 234, 
                static tls_lastDeferredReaderSlot = 234, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693811267328}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f3d100}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d13d97400}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 3.8627114508208898e-20, buffer_time_ = {__r = 2466}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 3.8627114508208898e-20, buffer_time_ = {__r = 2466}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 6909, latestLoopCnt_ = 6908, startWork_ = {
              __d = {__r = 15123519875911050}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13616f88 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13616fc8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13617000, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 234, static tls_lastDeferredReaderSlot = 234, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f66af0}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 12, subdoc_op = {
            m_path = 0x7f0d134d2100, m_jsn = 0x1ad5720, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f3d140, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d13d96c00, _M_first = 0x7f0d13d96c00, _M_last = 0x7f0d13d96e00, 
                            _M_node = 0x7f0d12f3d158}, _M_finish = {_M_cur = 0x7f0d13d96c01, _M_first = 0x7f0d13d96c00, _M_last = 0x7f0d13d96e00, _M_node = 0x7f0d12f3d158}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d135363e0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cffff7700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cffff7700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693811267328, -4771262700614340274, 0, 8392704, 0, 139693811267328, 4886667446625218894, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 253 (Thread 0x7f0cff7f6700 (LWP 35677)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d134fd000, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c1e0
        events = 0x7f0d12f69880
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d134fd000, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d136179a0, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cff7e4920, prev_ = 0x7f0cff7e4920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d136179a0}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125879415942}}
        idleStart = {__d = {__r = 15123519873432116}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d136179a0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d136179a0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d13617990) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d13617990: {thread_id = 139693802874624, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f66b30}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136179e0, prev_ = 0x7f0d136179e0}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136179f0, prev_ = 0x7f0d136179f0}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13617a08, prev_ = 0x7f0d13617a08}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 75, 
                static tls_lastDeferredReaderSlot = 75, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, _M_i = {
                _M_thread = 139693802874624}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f3d180}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d13d97500}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 3.7933352149237944e-39, buffer_time_ = {__r = 1694931}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 3.7933352149237944e-39, buffer_time_ = {__r = 1694931}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 3753, latestLoopCnt_ = 3752, startWork_ = {
              __d = {__r = 15123519873431966}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13617b58 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13617b98, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13617bd0, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 75, static tls_lastDeferredReaderSlot = 75, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f66b40}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 13, subdoc_op = {
            m_path = 0x7f0d134d2600, m_jsn = 0x1ad5f00, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f3d1c0, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d13d96e00, _M_first = 0x7f0d13d96e00, _M_last = 0x7f0d13d97000, 
                            _M_node = 0x7f0d12f3d1d8}, _M_finish = {_M_cur = 0x7f0d13d96e01, _M_first = 0x7f0d13d96e00, _M_last = 0x7f0d13d97000, _M_node = 0x7f0d12f3d1d8}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13536410) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cff7f6700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cff7f6700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693802874624, -4771262700614340274, 0, 8392704, 0, 139693802874624, 4886668545599975758, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 252 (Thread 0x7f0cfeff5700 (LWP 35678)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d134fd300, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c480
        events = 0x7f0d12f69a00
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d134fd300, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d13618570, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cfefe3920, prev_ = 0x7f0cfefe3920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d13618570}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125879518082}}
        idleStart = {__d = {__r = 15123519873422116}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d13618570) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d13618570) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d13618560) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d13618560: {thread_id = 139693794481920, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f66b80}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136185b0, prev_ = 0x7f0d136185b0}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136185c0, prev_ = 0x7f0d136185c0}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136185d8, prev_ = 0x7f0d136185d8}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 177, 
                static tls_lastDeferredReaderSlot = 177, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693794481920}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f3d200}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d13d97600}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 2.9153007747903779e-40, buffer_time_ = {__r = 1044908}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 2.9153007747903779e-40, buffer_time_ = {__r = 1044908}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 3753, latestLoopCnt_ = 3752, startWork_ = {
              __d = {__r = 15123519873421897}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13618728 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13618768, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d136187a0, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 177, static tls_lastDeferredReaderSlot = 177, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f66b90}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 14, subdoc_op = {
            m_path = 0x7f0d134d2b00, m_jsn = 0x1ad66e0, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f3d240, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f31000, _M_first = 0x7f0d12f31000, _M_last = 0x7f0d12f31200, 
                            _M_node = 0x7f0d12f3d258}, _M_finish = {_M_cur = 0x7f0d12f31001, _M_first = 0x7f0d12f31000, _M_last = 0x7f0d12f31200, _M_node = 0x7f0d12f3d258}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13536440) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cfeff5700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cfeff5700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693794481920, -4771262700614340274, 0, 8392704, 0, 139693794481920, 4886665244380737870, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 251 (Thread 0x7f0cfe7f4700 (LWP 35679)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d134fd600, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c200
        events = 0x7f0d12f69b80
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d134fd600, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d13619140, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cfe7e2920, prev_ = 0x7f0cfe7e2920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d13619140}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125879643911}}
        idleStart = {__d = {__r = 15123519873457162}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d13619140) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d13619140) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d13619130) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d13619130: {thread_id = 139693786089216, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f66bd0}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13619180, prev_ = 0x7f0d13619180}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13619190, prev_ = 0x7f0d13619190}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136191a8, prev_ = 0x7f0d136191a8}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 213, 
                static tls_lastDeferredReaderSlot = 213, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693786089216}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f3d280}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d13d97700}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 2.4826322017028702e-39, buffer_time_ = {__r = 904514}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 2.4826322017028702e-39, buffer_time_ = {__r = 904514}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 3753, latestLoopCnt_ = 3752, startWork_ = {
              __d = {__r = 15123519873456719}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d136192f8 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13619338, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13619370, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 213, static tls_lastDeferredReaderSlot = 213, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f66be0}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 15, subdoc_op = {
            m_path = 0x7f0d13502000, m_jsn = 0x1ad6ec0, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f3d2c0, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f31200, _M_first = 0x7f0d12f31200, _M_last = 0x7f0d12f31400, 
                            _M_node = 0x7f0d12f3d2d8}, _M_finish = {_M_cur = 0x7f0d12f31201, _M_first = 0x7f0d12f31200, _M_last = 0x7f0d12f31400, _M_node = 0x7f0d12f3d2d8}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13536470) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cfe7f4700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cfe7f4700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693786089216, -4771262700614340274, 0, 8392704, 0, 139693786089216, 4886666343355494734, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 250 (Thread 0x7f0cfdff3700 (LWP 35680)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d134fd900, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c360
        events = 0x7f0d12f69d00
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d134fd900, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d13619d10, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cfdfe1920, prev_ = 0x7f0cfdfe1920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d13619d10}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125879752407}}
        idleStart = {__d = {__r = 15123519873466251}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d13619d10) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d13619d10) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d13619d00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d13619d00: {thread_id = 139693777696512, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f66c20}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13619d50, prev_ = 0x7f0d13619d50}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13619d60, prev_ = 0x7f0d13619d60}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13619d78, prev_ = 0x7f0d13619d78}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 252, 
                static tls_lastDeferredReaderSlot = 252, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693777696512}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f3d300}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d13d97800}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 1.4105966790192682e-39, buffer_time_ = {__r = 1670200}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 1.4105966790192682e-39, buffer_time_ = {__r = 1670200}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 3753, latestLoopCnt_ = 3752, startWork_ = {
              __d = {__r = 15123519873466136}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13619ec8 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13619f08, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13619f40, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 252, static tls_lastDeferredReaderSlot = 252, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f66c30}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 16, subdoc_op = {
            m_path = 0x7f0d13502500, m_jsn = 0x1ad76a0, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f3d340, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f31400, _M_first = 0x7f0d12f31400, _M_last = 0x7f0d12f31600, 
                            _M_node = 0x7f0d12f3d358}, _M_finish = {_M_cur = 0x7f0d12f31401, _M_first = 0x7f0d12f31400, _M_last = 0x7f0d12f31600, _M_node = 0x7f0d12f3d358}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d135364a0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cfdff3700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cfdff3700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693777696512, -4771262700614340274, 0, 8392704, 0, 139693777696512, 4886663046431224142, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 249 (Thread 0x7f0cfd7f2700 (LWP 35681)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d134fdc00, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c4a0
        events = 0x7f0d12f69e80
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d134fdc00, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d1361a8e0, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cfd7e0920, prev_ = 0x7f0cfd7e0920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d1361a8e0}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125879862571}}
        idleStart = {__d = {__r = 15123519873576369}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d1361a8e0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d1361a8e0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d1361a8d0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d1361a8d0: {thread_id = 139693769303808, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f66c70}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1361a920, prev_ = 0x7f0d1361a920}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1361a930, prev_ = 0x7f0d1361a930}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1361a948, prev_ = 0x7f0d1361a948}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 245, 
                static tls_lastDeferredReaderSlot = 245, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693769303808}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f3d380}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d13d97900}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 1.0029888980636905e-17, buffer_time_ = {__r = 2805542}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 1.0029888980636905e-17, buffer_time_ = {__r = 2805542}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 3751, latestLoopCnt_ = 3750, startWork_ = {
              __d = {__r = 15123519873576165}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d1361aa98 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1361aad8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1361ab10, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 245, static tls_lastDeferredReaderSlot = 245, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f66c80}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 17, subdoc_op = {
            m_path = 0x7f0d13502a00, m_jsn = 0x1ad7e80, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f3d3c0, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f31600, _M_first = 0x7f0d12f31600, _M_last = 0x7f0d12f31800, 
                            _M_node = 0x7f0d12f3d3d8}, _M_finish = {_M_cur = 0x7f0d12f31601, _M_first = 0x7f0d12f31600, _M_last = 0x7f0d12f31800, _M_node = 0x7f0d12f3d3d8}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d135364d0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cfd7f2700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cfd7f2700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693769303808, -4771262700614340274, 0, 8392704, 0, 139693769303808, 4886664145405981006, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 248 (Thread 0x7f0cfcff1700 (LWP 35682)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d134fdf00, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c3a0
        events = 0x7f0d13507000
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d134fdf00, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d1361b4b0, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cfcfdf920, prev_ = 0x7f0cfcfdf920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d1361b4b0}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125879984298}}
        idleStart = {__d = {__r = 15123519873484784}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d1361b4b0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d1361b4b0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d1361b4a0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d1361b4a0: {thread_id = 139693760911104, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f66cc0}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1361b4f0, prev_ = 0x7f0d1361b4f0}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1361b500, prev_ = 0x7f0d1361b500}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1361b518, prev_ = 0x7f0d1361b518}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 167, 
                static tls_lastDeferredReaderSlot = 167, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693760911104}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f578c0}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d13d97a00}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 2.2473840544151647e-39, buffer_time_ = {__r = 2645776}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 2.2473840544151647e-39, buffer_time_ = {__r = 2645776}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 3751, latestLoopCnt_ = 3750, startWork_ = {
              __d = {__r = 15123519873484634}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d1361b668 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1361b6a8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1361b6e0, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 167, static tls_lastDeferredReaderSlot = 167, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f66cd0}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 18, subdoc_op = {
            m_path = 0x7f0d13502f00, m_jsn = 0x1ad8660, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f3d400, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f31800, _M_first = 0x7f0d12f31800, _M_last = 0x7f0d12f31a00, 
                            _M_node = 0x7f0d12f3d418}, _M_finish = {_M_cur = 0x7f0d12f31801, _M_first = 0x7f0d12f31800, _M_last = 0x7f0d12f31a00, _M_node = 0x7f0d12f3d418}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13536500) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cfcff1700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cfcff1700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693760911104, -4771262700614340274, 0, 8392704, 0, 139693760911104, 4886660827006873934, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 247 (Thread 0x7f0cfc7f0700 (LWP 35683)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d134fe200, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d143fefc0
        events = 0x7f0d13507180
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d134fe200, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d1361c080, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cfc7de920, prev_ = 0x7f0cfc7de920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d1361c080}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125880103256}}
        idleStart = {__d = {__r = 15123519873518918}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d1361c080) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d1361c080) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d1361c070) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d1361c070: {thread_id = 139693752518400, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f66d10}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1361c0c0, prev_ = 0x7f0d1361c0c0}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1361c0d0, prev_ = 0x7f0d1361c0d0}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1361c0e8, prev_ = 0x7f0d1361c0e8}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 0, 
                static tls_lastDeferredReaderSlot = 0, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, _M_i = {
                _M_thread = 139693752518400}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f3d440}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d13d97b00}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 2.2039292618777097e-39, buffer_time_ = {__r = 1572265}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 2.2039292618777097e-39, buffer_time_ = {__r = 1572265}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 3753, latestLoopCnt_ = 3752, startWork_ = {
              __d = {__r = 15123519873518740}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d1361c238 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1361c278, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1361c2b0, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 0, static tls_lastDeferredReaderSlot = 0, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f66d20}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 19, subdoc_op = {
            m_path = 0x7f0d13503400, m_jsn = 0x1ad8e40, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f3d480, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f31a00, _M_first = 0x7f0d12f31a00, _M_last = 0x7f0d12f31c00, 
                            _M_node = 0x7f0d12f3d498}, _M_finish = {_M_cur = 0x7f0d12f31a01, _M_first = 0x7f0d12f31a00, _M_last = 0x7f0d12f31c00, _M_node = 0x7f0d12f3d498}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13536530) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cfc7f0700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cfc7f0700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693752518400, -4771262700614340274, 0, 8392704, 0, 139693752518400, 4886661925981630798, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 246 (Thread 0x7f0cfbfef700 (LWP 35684)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d134fe500, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f654a0
        events = 0x7f0d13507300
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d134fe500, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d1361cc50, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cfbfdd920, prev_ = 0x7f0cfbfdd920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d1361cc50}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125880232861}}
        idleStart = {__d = {__r = 15123519873628839}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d1361cc50) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d1361cc50) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d1361cc40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d1361cc40: {thread_id = 139693744125696, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f66d60}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1361cc90, prev_ = 0x7f0d1361cc90}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1361cca0, prev_ = 0x7f0d1361cca0}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1361ccb8, prev_ = 0x7f0d1361ccb8}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 157, 
                static tls_lastDeferredReaderSlot = 157, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693744125696}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f3d4c0}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d13d97c00}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 4.485485632047521e-39, buffer_time_ = {__r = 1722699}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 4.485485632047521e-39, buffer_time_ = {__r = 1722699}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 3754, latestLoopCnt_ = 3753, startWork_ = {
              __d = {__r = 15123519873628649}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d1361ce08 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1361ce48, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1361ce80, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 157, static tls_lastDeferredReaderSlot = 157, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f66d70}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 20, subdoc_op = {
            m_path = 0x7f0d13503900, m_jsn = 0x1ad9620, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f3d500, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f31c00, _M_first = 0x7f0d12f31c00, _M_last = 0x7f0d12f31e00, 
                            _M_node = 0x7f0d12f3d518}, _M_finish = {_M_cur = 0x7f0d12f31c01, _M_first = 0x7f0d12f31c00, _M_last = 0x7f0d12f31e00, _M_node = 0x7f0d12f3d518}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13536560) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cfbfef700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cfbfef700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693744125696, -4771262700614340274, 0, 8392704, 0, 139693744125696, 4886658629057360206, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 245 (Thread 0x7f0cfb7ee700 (LWP 35685)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d134fe800, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c260
        events = 0x7f0d13507480
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d134fe800, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d1361d820, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cfb7dc920, prev_ = 0x7f0cfb7dc920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d1361d820}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125880339152}}
        idleStart = {__d = {__r = 15123519873577749}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d1361d820) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d1361d820) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d1361d810) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d1361d810: {thread_id = 139693735732992, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f66db0}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1361d860, prev_ = 0x7f0d1361d860}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1361d870, prev_ = 0x7f0d1361d870}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1361d888, prev_ = 0x7f0d1361d888}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 220, 
                static tls_lastDeferredReaderSlot = 220, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693735732992}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f3d540}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d13d97d00}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 2.9455422817974614e-39, buffer_time_ = {__r = 2854656}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 2.9455422817974614e-39, buffer_time_ = {__r = 2854656}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 3752, latestLoopCnt_ = 3751, startWork_ = {
              __d = {__r = 15123519873577599}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d1361d9d8 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1361da18, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1361da50, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 220, static tls_lastDeferredReaderSlot = 220, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f66dc0}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 21, subdoc_op = {
            m_path = 0x7f0d13503e00, m_jsn = 0x1ad9e00, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f3d580, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f31e00, _M_first = 0x7f0d12f31e00, _M_last = 0x7f0d12f32000, 
                            _M_node = 0x7f0d12f3d598}, _M_finish = {_M_cur = 0x7f0d12f31e01, _M_first = 0x7f0d12f31e00, _M_last = 0x7f0d12f32000, _M_node = 0x7f0d12f3d598}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13536590) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cfb7ee700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cfb7ee700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693735732992, -4771262700614340274, 0, 8392704, 0, 139693735732992, 4886659728032117070, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 244 (Thread 0x7f0cfafed700 (LWP 35686)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d134feb00, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d143fefa0
        events = 0x7f0d13507600
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d134feb00, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d1361e3f0, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cfafdb920, prev_ = 0x7f0cfafdb920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d1361e3f0}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125880458986}}
        idleStart = {__d = {__r = 15123519873477671}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d1361e3f0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d1361e3f0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d1361e3e0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d1361e3e0: {thread_id = 139693727340288, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f66e00}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1361e430, prev_ = 0x7f0d1361e430}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1361e440, prev_ = 0x7f0d1361e440}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1361e458, prev_ = 0x7f0d1361e458}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 241, 
                static tls_lastDeferredReaderSlot = 241, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693727340288}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f3d5c0}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d13d97e00}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 1.210859685226028e-39, buffer_time_ = {__r = 1564274}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 1.210859685226028e-39, buffer_time_ = {__r = 1564274}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 50152, latestLoopCnt_ = 50151, startWork_ = {
              __d = {__r = 15123519873477512}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d1361e5a8 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1361e5e8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1361e620, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 241, static tls_lastDeferredReaderSlot = 241, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f66e10}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 22, subdoc_op = {
            m_path = 0x7f0d13504300, m_jsn = 0x1ada5e0, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f3d600, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f34000, _M_first = 0x7f0d12f34000, _M_last = 0x7f0d12f34200, 
                            _M_node = 0x7f0d12f3d618}, _M_finish = {_M_cur = 0x7f0d12f34001, _M_first = 0x7f0d12f34000, _M_last = 0x7f0d12f34200, _M_node = 0x7f0d12f3d618}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13542360) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cfafed700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cfafed700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693727340288, -4771262700614340274, 0, 8392704, 0, 139693727340288, 4886656426812879182, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 243 (Thread 0x7f0cfa7ec700 (LWP 35687)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d134fee00, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c2a0
        events = 0x7f0d13507780
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d134fee00, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d1361efc0, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cfa7da920, prev_ = 0x7f0cfa7da920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d1361efc0}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125880575849}}
        idleStart = {__d = {__r = 15123519873612431}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d1361efc0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d1361efc0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d1361efb0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d1361efb0: {thread_id = 139693718947584, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f66e50}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1361f000, prev_ = 0x7f0d1361f000}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1361f010, prev_ = 0x7f0d1361f010}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1361f028, prev_ = 0x7f0d1361f028}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 248, 
                static tls_lastDeferredReaderSlot = 248, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693718947584}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f3d640}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d13d97f00}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 4.0906516778268166e-39, buffer_time_ = {__r = 2580381}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 4.0906516778268166e-39, buffer_time_ = {__r = 2580381}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 6751, latestLoopCnt_ = 6750, startWork_ = {
              __d = {__r = 15123519873612285}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d1361f178 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1361f1b8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1361f1f0, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 248, static tls_lastDeferredReaderSlot = 248, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f66e60}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 23, subdoc_op = {
            m_path = 0x7f0d13504800, m_jsn = 0x1adadc0, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f3d680, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f34200, _M_first = 0x7f0d12f34200, _M_last = 0x7f0d12f34400, 
                            _M_node = 0x7f0d12f3d698}, _M_finish = {_M_cur = 0x7f0d12f34201, _M_first = 0x7f0d12f34200, _M_last = 0x7f0d12f34400, _M_node = 0x7f0d12f3d698}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13542390) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cfa7ec700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cfa7ec700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693718947584, -4771262700614340274, 0, 8392704, 0, 139693718947584, 4886657525787636046, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 242 (Thread 0x7f0cf9feb700 (LWP 35688)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d134ff100, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c1a0
        events = 0x7f0d13507900
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d134ff100, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d1361fb90, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cf9fd9920, prev_ = 0x7f0cf9fd9920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d1361fb90}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125880682473}}
        idleStart = {__d = {__r = 15123519873647730}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d1361fb90) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d1361fb90) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d1361fb80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d1361fb80: {thread_id = 139693710554880, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f66ea0}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1361fbd0, prev_ = 0x7f0d1361fbd0}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1361fbe0, prev_ = 0x7f0d1361fbe0}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1361fbf8, prev_ = 0x7f0d1361fbf8}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 184, 
                static tls_lastDeferredReaderSlot = 184, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693710554880}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f3d6c0}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f38000}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 2.9260009847088298e-43, buffer_time_ = {__r = 1744396}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 2.9260009847088298e-43, buffer_time_ = {__r = 1744396}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 35226, latestLoopCnt_ = 35225, startWork_ = {
              __d = {__r = 15123519873647590}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d1361fd48 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1361fd88, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1361fdc0, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 184, static tls_lastDeferredReaderSlot = 184, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f66eb0}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 24, subdoc_op = {
            m_path = 0x7f0d13504d00, m_jsn = 0x1adb5a0, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f3d700, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f34400, _M_first = 0x7f0d12f34400, _M_last = 0x7f0d12f34600, 
                            _M_node = 0x7f0d12f3d718}, _M_finish = {_M_cur = 0x7f0d12f34401, _M_first = 0x7f0d12f34400, _M_last = 0x7f0d12f34600, _M_node = 0x7f0d12f3d718}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d135423c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cf9feb700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cf9feb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693710554880, -4771262700614340274, 0, 8392704, 0, 139693710554880, 4886654228863365454, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 241 (Thread 0x7f0cf97ea700 (LWP 35689)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
No locals.
#1  0x00007f0d18fb0e9b in _L_lock_883 () from /lib64/libpthread.so.0
No symbol table info available.
#2  0x00007f0d18fb0d68 in __GI___pthread_mutex_lock (mutex=0x7f0863212a50) at ../nptl/pthread_mutex_lock.c:78
        type = 0
        id = <optimized out>
#3  0x00000000006efcb1 in __gthread_mutex_lock (__mutex=<optimized out>) at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:749
No locals.
#4  lock (this=<optimized out>) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_mutex.h:100
        __e = <optimized out>
#5  lock (this=0x7f0cf97d7c70) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/unique_lock.h:138
No locals.
#6  unique_lock (__m=..., this=0x7f0cf97d7c70) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/unique_lock.h:68
No locals.
#7  getLockedVBucket (vbid=..., this=0x7f0d100e2000) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kv_bucket.h:252
        lock = {_M_device = 0x7f0863212a50, _M_owns = false}
#8  KVBucket::deleteVBucket(Vbid, CookieIface const*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kv_bucket.cc:1148
        vbSetLh = {_M_device = 0x7f0d100e2128, _M_owns = true}
        lockedVB = {vb = {<std::__shared_ptr<VBucket, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<VBucket, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0d10000000, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, lock = {_M_device = 0x7f0a12461a00, _M_owns = false}}
        vb = {<std::__shared_ptr<VBucket, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<VBucket, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f086589df00, _M_refcount = {_M_pi = 0x7f0865430bc0}}, <No data fields>}
#9  0x00000000006a5c36 in EventuallyPersistentEngine::deleteVBucketInner(CookieIface const&, Vbid, bool) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_engine.cc:6631
        timer = {dest = 0x7f0d100004f0, start = {__d = {__r = 15123278899251565}}, name = 0x0, out = 0x0}
        status = cb::success
        es = 0x0
#10 0x00000000006a5f6f in EventuallyPersistentEngine::deleteVBucket(CookieIface const&, Vbid, bool) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_engine.cc:125
No locals.
#11 0x000000000058da43 in bucket_delete_vbucket(Cookie&, Vbid, bool) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/protocol/mcbp/engine_wrapper.cc:946
        connection = @0x7f0a12461780: {<DcpMessageProducersIface> = {_vptr.DcpMessageProducersIface = 0xc4baf8 <vtable for Connection+16>}, cookies = {<std::_Deque_base<std::unique_ptr<Cookie, std::default_delete<Cookie> >, std::allocator<std::unique_ptr<Cookie, std::default_delete<Cookie> > > >> = {
              _M_impl = {<std::allocator<std::unique_ptr<Cookie, std::default_delete<Cookie> > >> = {<__gnu_cxx::new_allocator<std::unique_ptr<Cookie, std::default_delete<Cookie> > >> = {<No data fields>}, <No data fields>}, <std::_Deque_base<std::unique_ptr<Cookie, std::default_delete<Cookie> >, std::allocator<std::unique_ptr<Cookie, std::default_delete<Cookie> > > >::_Deque_impl_data> = {
                  _M_map = 0x7f0a12473b80, _M_map_size = 8, _M_start = {_M_cur = 0x7f0a12481200, _M_first = 0x7f0a12481200, _M_last = 0x7f0a12481400, _M_node = 0x7f0a12473b98}, _M_finish = {_M_cur = 0x7f0a12481208, _M_first = 0x7f0a12481200, _M_last = 0x7f0a12481400, _M_node = 0x7f0a12473b98}}, <No data fields>}}, <No data fields>}, 
          tenant = {<std::__shared_ptr<Tenant, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<Tenant, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, privilegeContext = {generation = 2, domain = cb::sasl::Local, mask = {<std::_Base_bitset<1>> = {_M_w = 163710944}, <No data fields>}, 
            bucket = {<std::__shared_ptr<cb::rbac::Bucket const, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<cb::rbac::Bucket const, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0d13da2490, _M_refcount = {_M_pi = 0x7f0d13da2480}}, <No data fields>}, droppedPrivileges = {<std::_Vector_base<cb::rbac::Privilege, std::allocator<cb::rbac::Privilege> >> = {
                _M_impl = {<std::allocator<cb::rbac::Privilege>> = {<__gnu_cxx::new_allocator<cb::rbac::Privilege>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<cb::rbac::Privilege, std::allocator<cb::rbac::Privilege> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}}, user = {name = {static npos = 18446744073709551615, 
              _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a12461830 "@ns_server"}, _M_string_length = 10, {_M_local_buf = "@ns_server\000\023\r\177\000", _M_allocated_capacity = 8534995790017556032}}, domain = cb::sasl::Local}, description = {static npos = 18446744073709551615, 
            _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a12248ec0 "[ {\"ip\":\"127.0.0.1\",\"port\":59292} - {\"ip\":\"127.0.0.1\",\"port\":11209} (System, <ud>@ns_server</ud>) ]"}, _M_string_length = 99, {_M_local_buf = "\204\000\000\000\000\000\000\000\330\027F\022\n\177\000", _M_allocated_capacity = 132}}, peername = {
            static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a12473bc0 "{\"ip\":\"127.0.0.1\",\"port\":59292}"}, _M_string_length = 31, {_M_local_buf = "<", '\000' <repeats 14 times>, _M_allocated_capacity = 60}}, sockname = {static npos = 18446744073709551615, 
            _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a12473c00 "{\"ip\":\"127.0.0.1\",\"port\":11209}"}, _M_string_length = 31, {_M_local_buf = "<", '\000' <repeats 14 times>, _M_allocated_capacity = 60}}, terminationReason = {static npos = 18446744073709551615, 
            _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a124618b8 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, sendQueueInfo = {last = {__d = {__r = 15122743059270892}}, size = 0, term = false}, thread = @0x7f0d13620750, 
          listening_port = {<std::__shared_ptr<ListeningPort, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<ListeningPort, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0d13da2850, _M_refcount = {_M_pi = 0x7f0d13da2840}}, <No data fields>}, saslServerContext = {
            _M_t = {<std::__uniq_ptr_impl<cb::sasl::server::ServerContext, std::default_delete<cb::sasl::server::ServerContext> >> = {
                _M_t = {<std::_Tuple_impl<0, cb::sasl::server::ServerContext*, std::default_delete<cb::sasl::server::ServerContext> >> = {<std::_Tuple_impl<1, std::default_delete<cb::sasl::server::ServerContext> >> = {<std::_Head_base<1, std::default_delete<cb::sasl::server::ServerContext>, true>> = {<std::default_delete<cb::sasl::server::ServerContext>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, cb::sasl::server::ServerContext*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}, yields = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, total_cpu_time = {__r = 740292697}, min_sched_time = {__r = 171}, max_sched_time = {__r = 626}, dcpConnHandlerIface = {_M_b = {_M_p = 0x0}, 
            static is_always_lock_free = <optimized out>}, bev = {_M_t = {<std::__uniq_ptr_impl<bufferevent, cb::libevent::BuffereventDeleter>> = {
                _M_t = {<std::_Tuple_impl<0, bufferevent*, cb::libevent::BuffereventDeleter>> = {<std::_Tuple_impl<1, cb::libevent::BuffereventDeleter>> = {<std::_Head_base<1, cb::libevent::BuffereventDeleter, true>> = {<cb::libevent::BuffereventDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, bufferevent*, false>> = {
                      _M_head_impl = 0x7f0a12461c80}, <No data fields>}, <No data fields>}}, <No data fields>}}, totalRecv = 1240203, totalSend = 5734733, max_reqs_per_event = 20, numEvents = 20, socketDescriptor = 67090, bucketIndex = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 1}, static is_always_lock_free = true}, pushed_clustermap = {epoch = 0, revno = 0}, parent_port = 11209, 
          connectedToSystemPort = true, internal = true, authenticated = true, nodelay = true, refcount = 1 '\001', priority = {static _S_min_alignment = 1, static _S_alignment = 1, _M_i = Medium, static is_always_lock_free = <optimized out>}, xerror_support = false, collections_support = true, duplex_support = false, cccp = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
          allow_unordered_execution = false, agentName = {_M_elems = "regular", '\000' <repeats 25 times>}, connectionId = {_M_elems = "127.0.0.1:59292", '\000' <repeats 18 times>}, state = Connection::running, dcpXattrAware = false, dcpDeletedUserXattr = false, dcpNoValue = false, tracingEnabled = false, dcpDeleteTimeEnabled = false, supports_mutation_extras = false, datatypeFilter = {
            enabled = {<std::__atomic_base<unsigned char>> = {static _S_alignment = 1, _M_i = 1 '\001'}, static is_always_lock_free = true}}, saslAuthEnabled = true, type = Connection::Normal, dcpFlowControlBufferSize = 0, ssl = false}
        ret = <optimized out>
#12 0x000000000063d1f9 in SessionValidatedCommandContext::step (this=0x7f08eaa735c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/protocol/mcbp/session_validated_command_context.cc:34
        ret = <optimized out>
#13 0x000000000064c091 in SteppableCommandContext::drive() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/protocol/mcbp/steppable_command_context.cc:36
        ret = cb::success
#14 0x00000000005fb2ab in Cookie::doExecute() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/include/mcbp/protocol/header.h:110
        header = @0x7f0a125e9830: {magic = 128 '\200', opcode = 63 '?', keylen = 0, extlen = 0 '\000', datatype = 0 '\000', specific = 16896, bodylen = 0, opaque = 0, cas = 0}
#15 0x00000000005fc650 in Cookie::execute (this=this@entry=0x7f0a12461a00, useStartTime=useStartTime@entry=true) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/cookie.cc:168
        ts = <optimized out>
        done = <optimized out>
        te = {__d = {__r = 139681232983936}}
#16 0x00000000005dc201 in Connection::executeCommandPipeline() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/cookie.h:469
        drainSize = 24
        limit = <optimized out>
        status = <optimized out>
        input = 0x7f0cf6dfa5a0
        stop = false
        maxActiveCommands = 32
        active = false
        maxSendQueueSize = 41943040
#17 0x00000000005dc493 in Connection::executeCommandsCallback() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/connection.cc:797
        start = <optimized out>
        ns = <optimized out>
#18 0x00000000005dcb1b in Connection::rw_callback(bufferevent*, void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/connection.cc:946
        instance = <optimized out>
        thread = <optimized out>
        phosphor_internal_category_enabled_941 = {_M_b = {_M_p = 0x7f0d195eb69c <phosphor::TraceLog::getInstance()::log_instance+8284>}, static is_always_lock_free = <optimized out>}
        phosphor_internal_category_enabled_temp_941 = <optimized out>
        phosphor_internal_tpi_wait_941 = {category = 0xca7ccb "mutex", name = 0xc4b138 "Connection::rw_callback::threadLock.wait", type = phosphor::Complete, argument_names = {_M_elems = {0xcc0111 "this", 0xca8762 ""}}, argument_types = {_M_elems = {phosphor::is_pointer, phosphor::is_none}}}
        phosphor_internal_tpi_held_941 = {category = 0xca7ccb "mutex", name = 0xc4b108 "Connection::rw_callback::threadLock.held", type = phosphor::Complete, argument_names = {_M_elems = {0xca8762 "", 0xca8762 ""}}, argument_types = {_M_elems = {phosphor::is_pointer, phosphor::is_none}}}
        phosphor_internal_guard_941 = {tpiWait = 0xc4b880 <Connection::rw_callback(bufferevent*, void*)::phosphor_internal_tpi_wait_941>, tpiHeld = 0xc4b840 <Connection::rw_callback(bufferevent*, void*)::phosphor_internal_tpi_held_941>, enabled = true, mutex = @0x7f0d136209b0, threshold = {__r = 10000000}, start = {__d = {__r = 15123278899245971}}, lockedAt = {__d = {__r = 15123278899246147}}, releasedAt = {
            __d = {__r = 0}}}
#19 0x00007f0d18270d8e in bufferevent_run_deferred_callbacks_unlocked (cb=<optimized out>, arg=0x7f0a12461c80) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/bufferevent.c:208
        readcb = 0x5dc9f0 <Connection::rw_callback(bufferevent*, void*)>
        cbarg = 0x7f0a12461780
        bufev_private = 0x7f0a12461c80
        bufev = 0x7f0a12461c80
#20 0x00007f0d18279d01 in event_process_active_single_queue (base=base@entry=0x7f0d134ff400, max_to_process=max_to_process@entry=2147483647, endtime=endtime@entry=0x0, activeq=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1726
        evcb_cbfinalize = <optimized out>
        ev = 0x0
        evcb = 0x7f0a12461e20
        count = 2
#21 0x00007f0d1827a54f in event_process_active (base=0x7f0d134ff400) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1789
        activeq = <optimized out>
        i = 0
        c = 0
        tv = {tv_sec = 139693702088992, tv_usec = 139694195067875}
        maxcb = 2147483647
        endtime = 0x0
        limit_after_prio = 2147483647
#22 event_base_loop (base=0x7f0d134ff400, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:2012
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#23 0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d13620760, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cf97d8920, prev_ = 0x7f0cf97d8920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d13620760}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125880801274}}
        idleStart = {__d = {__r = 15123278896636398}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#24 0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d13620760) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#25 0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d13620760) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#26 0x00000000005abc79 in worker_libevent (arg=0x7f0d13620750) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d13620750: {thread_id = 139693702162176, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f66ef0}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136207a0, prev_ = 0x7f0d136207a0}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136207b0, prev_ = 0x7f0d136207b0}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136207c8, prev_ = 0x7f0d136207c8}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 244, 
                static tls_lastDeferredReaderSlot = 244, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693702162176}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f3d740}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f38100}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 1.5066375499473904e-12, buffer_time_ = {__r = 22}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 1.5066375499473904e-12, buffer_time_ = {__r = 22}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 23577, latestLoopCnt_ = 23576, startWork_ = {
              __d = {__r = 15123278896636357}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13620918 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13620958, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13620990, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 244, static tls_lastDeferredReaderSlot = 244, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f66f00}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 1, __count = 0, __owner = 35689, __nusers = 1, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = "\001\000\000\000\000\000\000\000i\213\000\000\001", '\000' <repeats 26 times>, 
                __align = 1}}, <No data fields>}, index = 25, subdoc_op = {m_path = 0x7f0d13505200, m_jsn = 0x1adbd80, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, 
              loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {
                  c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {_M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f3d780, _M_map_size = 8, _M_start = {
                            _M_cur = 0x7f0d12f34600, _M_first = 0x7f0d12f34600, _M_last = 0x7f0d12f34800, _M_node = 0x7f0d12f3d798}, _M_finish = {_M_cur = 0x7f0d12f34601, _M_first = 0x7f0d12f34600, _M_last = 0x7f0d12f34800, _M_node = 0x7f0d12f3d798}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, 
          scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, 
              static nxMoveCtor = <optimized out>, datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#27 0x0000000000b86049 in run (this=0x7f0d135423f0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#28 platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#29 0x00007f0d18faeea5 in start_thread (arg=0x7f0cf97ea700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cf97ea700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693702162176, -4771262700614340274, 0, 8392704, 0, 139693702162176, 4886655327838122318, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#30 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 240 (Thread 0x7f0cf8fe9700 (LWP 35690)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d134ff700, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5ce00
        events = 0x7f0d13507c00
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d134ff700, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d13621330, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cf8fd7920, prev_ = 0x7f0cf8fd7920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d13621330}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125880925611}}
        idleStart = {__d = {__r = 15123519875111127}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d13621330) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d13621330) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d13621320) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d13621320: {thread_id = 139693693769472, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f66f40}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13621370, prev_ = 0x7f0d13621370}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13621380, prev_ = 0x7f0d13621380}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13621398, prev_ = 0x7f0d13621398}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 170, 
                static tls_lastDeferredReaderSlot = 170, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693693769472}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f3d7c0}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f38200}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 7.1155830978357045e-50, buffer_time_ = {__r = 1573}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 7.1155830978357045e-50, buffer_time_ = {__r = 1573}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 8296, latestLoopCnt_ = 8295, startWork_ = {
              __d = {__r = 15123519875111006}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d136214e8 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13621528, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13621560, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 170, static tls_lastDeferredReaderSlot = 170, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f66f50}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 26, subdoc_op = {
            m_path = 0x7f0d13505700, m_jsn = 0x1adc560, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f3d800, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f34800, _M_first = 0x7f0d12f34800, _M_last = 0x7f0d12f34a00, 
                            _M_node = 0x7f0d12f3d818}, _M_finish = {_M_cur = 0x7f0d12f34801, _M_first = 0x7f0d12f34800, _M_last = 0x7f0d12f34a00, _M_node = 0x7f0d12f3d818}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13542420) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cf8fe9700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cf8fe9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693693769472, -4771262700614340274, 0, 8392704, 0, 139693693769472, 4886652026618884430, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 239 (Thread 0x7f0cf87e8700 (LWP 35691)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d134ffa00, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c440
        events = 0x7f0d13507d80
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d134ffa00, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d13621f00, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cf87d6920, prev_ = 0x7f0cf87d6920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d13621f00}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125881060269}}
        idleStart = {__d = {__r = 15123519875156666}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d13621f00) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d13621f00) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d13621ef0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d13621ef0: {thread_id = 139693685376768, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f66f90}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13621f40, prev_ = 0x7f0d13621f40}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13621f50, prev_ = 0x7f0d13621f50}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13621f68, prev_ = 0x7f0d13621f68}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, 
                static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693685376768}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f3d840}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f38300}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 1.7184196637613451e-18, buffer_time_ = {__r = 1658}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 1.7184196637613451e-18, buffer_time_ = {__r = 1658}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 6908, latestLoopCnt_ = 6907, startWork_ = {
              __d = {__r = 15123519875156491}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d136220b8 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d136220f8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13622130, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f66fa0}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 27, subdoc_op = {
            m_path = 0x7f0d13505c00, m_jsn = 0x1adcd40, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f3d880, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f34a00, _M_first = 0x7f0d12f34a00, _M_last = 0x7f0d12f34c00, 
                            _M_node = 0x7f0d12f3d898}, _M_finish = {_M_cur = 0x7f0d12f34a01, _M_first = 0x7f0d12f34a00, _M_last = 0x7f0d12f34c00, _M_node = 0x7f0d12f3d898}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13542450) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cf87e8700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cf87e8700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693685376768, -4771262700614340274, 0, 8392704, 0, 139693685376768, 4886653125593641294, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 238 (Thread 0x7f0cf7fe7700 (LWP 35692)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d134ffd00, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c1c0
        events = 0x7f0d13507f00
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d134ffd00, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d13622ad0, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cf7fd5920, prev_ = 0x7f0cf7fd5920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d13622ad0}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125881309039}}
        idleStart = {__d = {__r = 15123519875158333}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d13622ad0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d13622ad0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d13622ac0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d13622ac0: {thread_id = 139693676984064, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f66fe0}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13622b10, prev_ = 0x7f0d13622b10}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13622b20, prev_ = 0x7f0d13622b20}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13622b38, prev_ = 0x7f0d13622b38}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 252, 
                static tls_lastDeferredReaderSlot = 252, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693676984064}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f3d8c0}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f38400}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 8.0614612573161659e-65, buffer_time_ = {__r = 1633}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 8.0614612573161659e-65, buffer_time_ = {__r = 1633}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 6908, latestLoopCnt_ = 6907, startWork_ = {
              __d = {__r = 15123519875158189}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13622c88 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13622cc8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13622d00, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 252, static tls_lastDeferredReaderSlot = 252, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f66ff0}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 28, subdoc_op = {
            m_path = 0x7f0d13506100, m_jsn = 0x1add520, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f3d900, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f34c00, _M_first = 0x7f0d12f34c00, _M_last = 0x7f0d12f34e00, 
                            _M_node = 0x7f0d12f3d918}, _M_finish = {_M_cur = 0x7f0d12f34c01, _M_first = 0x7f0d12f34c00, _M_last = 0x7f0d12f34e00, _M_node = 0x7f0d12f3d918}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13542480) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cf7fe7700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cf7fe7700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693676984064, -4771262700614340274, 0, 8392704, 0, 139693676984064, 4886685013041459534, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 237 (Thread 0x7f0cf77e6700 (LWP 35693)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d1350c000, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c120
        events = 0x7f0d13508080
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d1350c000, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d136236a0, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cf77d4920, prev_ = 0x7f0cf77d4920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d136236a0}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125881389153}}
        idleStart = {__d = {__r = 15123519875155399}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d136236a0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d136236a0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d13623690) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d13623690: {thread_id = 139693668591360, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f39030}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136236e0, prev_ = 0x7f0d136236e0}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136236f0, prev_ = 0x7f0d136236f0}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13623708, prev_ = 0x7f0d13623708}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 135, 
                static tls_lastDeferredReaderSlot = 135, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693668591360}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f3d940}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f38500}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 7.4632384555450451e-34, buffer_time_ = {__r = 1501}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 7.4632384555450451e-34, buffer_time_ = {__r = 1501}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 6910, latestLoopCnt_ = 6909, startWork_ = {
              __d = {__r = 15123519875155279}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13623858 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13623898, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d136238d0, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 135, static tls_lastDeferredReaderSlot = 135, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f39040}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 29, subdoc_op = {
            m_path = 0x7f0d13506600, m_jsn = 0x1addd00, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f3d980, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f34e00, _M_first = 0x7f0d12f34e00, _M_last = 0x7f0d12f35000, 
                            _M_node = 0x7f0d12f3d998}, _M_finish = {_M_cur = 0x7f0d12f34e01, _M_first = 0x7f0d12f34e00, _M_last = 0x7f0d12f35000, _M_node = 0x7f0d12f3d998}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d135424b0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cf77e6700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cf77e6700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693668591360, -4771262700614340274, 0, 8392704, 0, 139693668591360, 4886686112016216398, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 236 (Thread 0x7f0cf5dff700 (LWP 35694)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d1350c300, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c040
        events = 0x7f0d13508200
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d1350c300, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d13624270, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cf5ded920, prev_ = 0x7f0cf5ded920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d13624270}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125881495964}}
        idleStart = {__d = {__r = 15123519875166176}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d13624270) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d13624270) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d13624260) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d13624260: {thread_id = 139693641430784, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f39080}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136242b0, prev_ = 0x7f0d136242b0}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136242c0, prev_ = 0x7f0d136242c0}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136242d8, prev_ = 0x7f0d136242d8}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 180, 
                static tls_lastDeferredReaderSlot = 180, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693641430784}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f3d9c0}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f38600}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 1.4840471829780619, buffer_time_ = {__r = 1538}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 1.4840471829780619, buffer_time_ = {__r = 1538}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 1520963, latestLoopCnt_ = 1520962, 
            startWork_ = {__d = {__r = 15123519875166114}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13624428 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13624468, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d136244a0, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 180, static tls_lastDeferredReaderSlot = 180, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f39090}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 30, subdoc_op = {
            m_path = 0x7f0d13506b00, m_jsn = 0x1ade4e0, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 1, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f3da00, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f3c000, _M_first = 0x7f0d12f3c000, _M_last = 0x7f0d12f3c200, 
                            _M_node = 0x7f0d12f3da18}, _M_finish = {_M_cur = 0x7f0d12f3c000, _M_first = 0x7f0d12f3c000, _M_last = 0x7f0d12f3c200, _M_node = 0x7f0d12f3da18}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d135424e0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cf5dff700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cf5dff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693641430784, -4771262700614340274, 0, 8392704, 0, 139693641430784, 4886680919937626446, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 235 (Thread 0x7f0cf55fe700 (LWP 35695)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d1350c600, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f65980
        events = 0x7f0d13508380
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d1350c600, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d13624e40, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cf55ec920, prev_ = 0x7f0cf55ec920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d13624e40}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125881614527}}
        idleStart = {__d = {__r = 15123519875164482}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d13624e40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d13624e40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d13624e30) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d13624e30: {thread_id = 139693633038080, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f390d0}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13624e80, prev_ = 0x7f0d13624e80}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13624e90, prev_ = 0x7f0d13624e90}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13624ea8, prev_ = 0x7f0d13624ea8}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 149, 
                static tls_lastDeferredReaderSlot = 149, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693633038080}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f3da40}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f38700}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 2.5428320016119186e-65, buffer_time_ = {__r = 1562}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 2.5428320016119186e-65, buffer_time_ = {__r = 1562}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 6908, latestLoopCnt_ = 6907, startWork_ = {
              __d = {__r = 15123519875164445}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13624ff8 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13625038, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13625070, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 149, static tls_lastDeferredReaderSlot = 149, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f390e0}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 31, subdoc_op = {
            m_path = 0x7f0d13514000, m_jsn = 0x1adecc0, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f3da80, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f3c200, _M_first = 0x7f0d12f3c200, _M_last = 0x7f0d12f3c400, 
                            _M_node = 0x7f0d12f3da98}, _M_finish = {_M_cur = 0x7f0d12f3c201, _M_first = 0x7f0d12f3c200, _M_last = 0x7f0d12f3c400, _M_node = 0x7f0d12f3da98}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13542510) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cf55fe700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cf55fe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693633038080, -4771262700614340274, 0, 8392704, 0, 139693633038080, 4886682018912383310, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 234 (Thread 0x7f0cf4dfd700 (LWP 35696)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d1350c900, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f659c0
        events = 0x7f0d13508500
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d1350c900, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d13625a10, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cf4deb920, prev_ = 0x7f0cf4deb920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d13625a10}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125881727954}}
        idleStart = {__d = {__r = 15123519875199199}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d13625a10) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d13625a10) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d13625a00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d13625a00: {thread_id = 139693624645376, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f39120}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13625a50, prev_ = 0x7f0d13625a50}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13625a60, prev_ = 0x7f0d13625a60}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13625a78, prev_ = 0x7f0d13625a78}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 189, 
                static tls_lastDeferredReaderSlot = 189, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693624645376}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f3dac0}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f38800}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 6.7578501050795276e-65, buffer_time_ = {__r = 1422}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 6.7578501050795276e-65, buffer_time_ = {__r = 1422}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 6910, latestLoopCnt_ = 6909, startWork_ = {
              __d = {__r = 15123519875199065}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13625bc8 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13625c08, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13625c40, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 189, static tls_lastDeferredReaderSlot = 189, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f39130}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 32, subdoc_op = {
            m_path = 0x7f0d13514500, m_jsn = 0x1adf4a0, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f3db00, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f3c400, _M_first = 0x7f0d12f3c400, _M_last = 0x7f0d12f3c600, 
                            _M_node = 0x7f0d12f3db18}, _M_finish = {_M_cur = 0x7f0d12f3c401, _M_first = 0x7f0d12f3c400, _M_last = 0x7f0d12f3c600, _M_node = 0x7f0d12f3db18}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13542540) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cf4dfd700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cf4dfd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693624645376, -4771262700614340274, 0, 8392704, 0, 139693624645376, 4886678717693145422, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 233 (Thread 0x7f0cf45fc700 (LWP 35697)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d1350cc00, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c0c0
        events = 0x7f0d13508680
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d1350cc00, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d136265e0, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cf45ea920, prev_ = 0x7f0cf45ea920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d136265e0}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125881838857}}
        idleStart = {__d = {__r = 15123519875217793}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d136265e0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d136265e0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d136265d0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d136265d0: {thread_id = 139693616252672, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f39170}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13626620, prev_ = 0x7f0d13626620}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13626630, prev_ = 0x7f0d13626630}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13626648, prev_ = 0x7f0d13626648}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 135, 
                static tls_lastDeferredReaderSlot = 135, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693616252672}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f3db40}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f38900}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 4.764286351710921e-65, buffer_time_ = {__r = 1484}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 4.764286351710921e-65, buffer_time_ = {__r = 1484}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 6909, latestLoopCnt_ = 6908, startWork_ = {
              __d = {__r = 15123519875217649}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13626798 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d136267d8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13626810, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 135, static tls_lastDeferredReaderSlot = 135, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f39180}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 33, subdoc_op = {
            m_path = 0x7f0d13514a00, m_jsn = 0x1adfc80, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f3db80, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f3c600, _M_first = 0x7f0d12f3c600, _M_last = 0x7f0d12f3c800, 
                            _M_node = 0x7f0d12f3db98}, _M_finish = {_M_cur = 0x7f0d12f3c601, _M_first = 0x7f0d12f3c600, _M_last = 0x7f0d12f3c800, _M_node = 0x7f0d12f3db98}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13542570) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cf45fc700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cf45fc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693616252672, -4771262700614340274, 0, 8392704, 0, 139693616252672, 4886679816667902286, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 232 (Thread 0x7f0cf3dfb700 (LWP 35698)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d1350cf00, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c080
        events = 0x7f0d13508800
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d1350cf00, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d136271b0, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cf3de9920, prev_ = 0x7f0cf3de9920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d136271b0}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125881953168}}
        idleStart = {__d = {__r = 15123519875216610}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d136271b0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d136271b0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d136271a0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d136271a0: {thread_id = 139693607859968, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f391c0}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136271f0, prev_ = 0x7f0d136271f0}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13627200, prev_ = 0x7f0d13627200}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13627218, prev_ = 0x7f0d13627218}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 144, 
                static tls_lastDeferredReaderSlot = 144, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693607859968}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f3dbc0}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f38a00}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 1.8409283459519696, buffer_time_ = {__r = 1551}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 1.8409283459519696, buffer_time_ = {__r = 1551}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 2207730, latestLoopCnt_ = 2207729, 
            startWork_ = {__d = {__r = 15123519875216523}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13627368 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d136273a8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d136273e0, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 144, static tls_lastDeferredReaderSlot = 144, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f391d0}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 34, subdoc_op = {
            m_path = 0x7f0d13514f00, m_jsn = 0x1ae0460, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 1, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f3dc00, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f3c800, _M_first = 0x7f0d12f3c800, _M_last = 0x7f0d12f3ca00, 
                            _M_node = 0x7f0d12f3dc18}, _M_finish = {_M_cur = 0x7f0d12f3c800, _M_first = 0x7f0d12f3c800, _M_last = 0x7f0d12f3ca00, _M_node = 0x7f0d12f3dc18}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d135425a0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cf3dfb700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cf3dfb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693607859968, -4771262700614340274, 0, 8392704, 0, 139693607859968, 4886676519743631694, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 231 (Thread 0x7f0cf35fa700 (LWP 35699)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d1350d200, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c020
        events = 0x7f0d13508980
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d1350d200, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d13627d80, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cf35e8920, prev_ = 0x7f0cf35e8920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d13627d80}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125882081053}}
        idleStart = {__d = {__r = 15123519875233374}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d13627d80) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d13627d80) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d13627d70) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d13627d70: {thread_id = 139693599467264, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f39210}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13627dc0, prev_ = 0x7f0d13627dc0}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13627dd0, prev_ = 0x7f0d13627dd0}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13627de8, prev_ = 0x7f0d13627de8}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 244, 
                static tls_lastDeferredReaderSlot = 244, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693599467264}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f3dc40}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f38b00}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 4.1501977612504393e-43, buffer_time_ = {__r = 1411}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 4.1501977612504393e-43, buffer_time_ = {__r = 1411}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 6909, latestLoopCnt_ = 6908, startWork_ = {
              __d = {__r = 15123519875233306}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13627f38 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13627f78, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13627fb0, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 244, static tls_lastDeferredReaderSlot = 244, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f39220}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 35, subdoc_op = {
            m_path = 0x7f0d13515400, m_jsn = 0x1ae0c40, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f3dc80, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f3ca00, _M_first = 0x7f0d12f3ca00, _M_last = 0x7f0d12f3cc00, 
                            _M_node = 0x7f0d12f3dc98}, _M_finish = {_M_cur = 0x7f0d12f3ca01, _M_first = 0x7f0d12f3ca00, _M_last = 0x7f0d12f3cc00, _M_node = 0x7f0d12f3dc98}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d135425d0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cf35fa700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cf35fa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693599467264, -4771262700614340274, 0, 8392704, 0, 139693599467264, 4886677618718388558, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 230 (Thread 0x7f0cf2df9700 (LWP 35700)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d1350d500, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c0a0
        events = 0x7f0d13508b00
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d1350d500, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d13628950, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cf2de7920, prev_ = 0x7f0cf2de7920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d13628950}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125882197193}}
        idleStart = {__d = {__r = 15123519875259548}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d13628950) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d13628950) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d13628940) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d13628940: {thread_id = 139693591074560, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f39260}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13628990, prev_ = 0x7f0d13628990}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136289a0, prev_ = 0x7f0d136289a0}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136289b8, prev_ = 0x7f0d136289b8}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 170, 
                static tls_lastDeferredReaderSlot = 170, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693591074560}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f3dcc0}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f38c00}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 6.9666891804145638e-65, buffer_time_ = {__r = 1447}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 6.9666891804145638e-65, buffer_time_ = {__r = 1447}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 6908, latestLoopCnt_ = 6907, startWork_ = {
              __d = {__r = 15123519875259454}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13628b08 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13628b48, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13628b80, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 170, static tls_lastDeferredReaderSlot = 170, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f39270}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 36, subdoc_op = {
            m_path = 0x7f0d13515900, m_jsn = 0x1ae1420, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f3dd00, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f3cc00, _M_first = 0x7f0d12f3cc00, _M_last = 0x7f0d12f3ce00, 
                            _M_node = 0x7f0d12f3dd18}, _M_finish = {_M_cur = 0x7f0d12f3cc01, _M_first = 0x7f0d12f3cc00, _M_last = 0x7f0d12f3ce00, _M_node = 0x7f0d12f3dd18}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13542600) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cf2df9700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cf2df9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693591074560, -4771262700614340274, 0, 8392704, 0, 139693591074560, 4886674317499150670, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 229 (Thread 0x7f0cf25f8700 (LWP 35701)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d1350d800, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c060
        events = 0x7f0d13508c80
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d1350d800, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d13629520, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cf25e6920, prev_ = 0x7f0cf25e6920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d13629520}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125882307839}}
        idleStart = {__d = {__r = 15123519875237143}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d13629520) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d13629520) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d13629510) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d13629510: {thread_id = 139693582681856, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f392b0}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13629560, prev_ = 0x7f0d13629560}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13629570, prev_ = 0x7f0d13629570}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13629588, prev_ = 0x7f0d13629588}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 252, 
                static tls_lastDeferredReaderSlot = 252, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693582681856}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f3dd40}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f38d00}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 4.8133002149502687e-43, buffer_time_ = {__r = 1335}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 4.8133002149502687e-43, buffer_time_ = {__r = 1335}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 6908, latestLoopCnt_ = 6907, startWork_ = {
              __d = {__r = 15123519875237001}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d136296d8 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13629718, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13629750, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 252, static tls_lastDeferredReaderSlot = 252, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f392c0}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 37, subdoc_op = {
            m_path = 0x7f0d13515e00, m_jsn = 0x1ae1c00, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f3dd80, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f3ce00, _M_first = 0x7f0d12f3ce00, _M_last = 0x7f0d12f3d000, 
                            _M_node = 0x7f0d12f3dd98}, _M_finish = {_M_cur = 0x7f0d12f3ce01, _M_first = 0x7f0d12f3ce00, _M_last = 0x7f0d12f3d000, _M_node = 0x7f0d12f3dd98}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13542630) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cf25f8700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cf25f8700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693582681856, -4771262700614340274, 0, 8392704, 0, 139693582681856, 4886675416473907534, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 228 (Thread 0x7f0cf1df7700 (LWP 35702)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d1350db00, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c100
        events = 0x7f0d13508e00
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d1350db00, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d1362a0f0, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cf1de5920, prev_ = 0x7f0cf1de5920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d1362a0f0}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125882424902}}
        idleStart = {__d = {__r = 15123519875252364}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d1362a0f0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d1362a0f0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d1362a0e0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d1362a0e0: {thread_id = 139693574289152, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f39300}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1362a130, prev_ = 0x7f0d1362a130}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1362a140, prev_ = 0x7f0d1362a140}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1362a158, prev_ = 0x7f0d1362a158}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 145, 
                static tls_lastDeferredReaderSlot = 145, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693574289152}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f3ddc0}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f38e00}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 4.2057881505700536e-65, buffer_time_ = {__r = 1459}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 4.2057881505700536e-65, buffer_time_ = {__r = 1459}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 6913, latestLoopCnt_ = 6912, startWork_ = {
              __d = {__r = 15123519875252261}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d1362a2a8 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1362a2e8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1362a320, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 145, static tls_lastDeferredReaderSlot = 145, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f39310}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 38, subdoc_op = {
            m_path = 0x7f0d13516300, m_jsn = 0x1ae23e0, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f4a180, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f41000, _M_first = 0x7f0d12f41000, _M_last = 0x7f0d12f41200, 
                            _M_node = 0x7f0d12f4a198}, _M_finish = {_M_cur = 0x7f0d12f41001, _M_first = 0x7f0d12f41000, _M_last = 0x7f0d12f41200, _M_node = 0x7f0d12f4a198}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13542660) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cf1df7700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cf1df7700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693574289152, -4771262700614340274, 0, 8392704, 0, 139693574289152, 4886672119549636942, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 227 (Thread 0x7f0cf15f6700 (LWP 35703)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d1350de00, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f659a0
        events = 0x7f0d13508f80
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d1350de00, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d1362acc0, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cf15e4920, prev_ = 0x7f0cf15e4920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d1362acc0}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125882541568}}
        idleStart = {__d = {__r = 15123519875283051}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d1362acc0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d1362acc0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d1362acb0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d1362acb0: {thread_id = 139693565896448, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f39350}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1362ad00, prev_ = 0x7f0d1362ad00}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1362ad10, prev_ = 0x7f0d1362ad10}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1362ad28, prev_ = 0x7f0d1362ad28}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 128, 
                static tls_lastDeferredReaderSlot = 128, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693565896448}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f4a280}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f38f00}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 6.4026060986459714e-65, buffer_time_ = {__r = 1439}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 6.4026060986459714e-65, buffer_time_ = {__r = 1439}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 6913, latestLoopCnt_ = 6912, startWork_ = {
              __d = {__r = 15123519875282957}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d1362ae78 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1362aeb8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1362aef0, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 128, static tls_lastDeferredReaderSlot = 128, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f39360}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 39, subdoc_op = {
            m_path = 0x7f0d13516800, m_jsn = 0x1ae2bc0, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f4a2c0, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f41200, _M_first = 0x7f0d12f41200, _M_last = 0x7f0d12f41400, 
                            _M_node = 0x7f0d12f4a2d8}, _M_finish = {_M_cur = 0x7f0d12f41201, _M_first = 0x7f0d12f41200, _M_last = 0x7f0d12f41400, _M_node = 0x7f0d12f4a2d8}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13542690) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cf15f6700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cf15f6700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693565896448, -4771262700614340274, 0, 8392704, 0, 139693565896448, 4886673218524393806, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 226 (Thread 0x7f0cf0df5700 (LWP 35704)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d1350e100, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5cd20
        events = 0x7f0d13509100
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d1350e100, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d1362b890, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cf0de3920, prev_ = 0x7f0cf0de3920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d1362b890}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125882657947}}
        idleStart = {__d = {__r = 15123519875313523}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d1362b890) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d1362b890) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d1362b880) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d1362b880: {thread_id = 139693557503744, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f393a0}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1362b8d0, prev_ = 0x7f0d1362b8d0}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1362b8e0, prev_ = 0x7f0d1362b8e0}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1362b8f8, prev_ = 0x7f0d1362b8f8}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 252, 
                static tls_lastDeferredReaderSlot = 252, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693557503744}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f4a300}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f45000}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 4.8661486566778808e-65, buffer_time_ = {__r = 1556}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 4.8661486566778808e-65, buffer_time_ = {__r = 1556}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 6911, latestLoopCnt_ = 6910, startWork_ = {
              __d = {__r = 15123519875313394}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d1362ba48 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1362ba88, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1362bac0, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 252, static tls_lastDeferredReaderSlot = 252, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f393b0}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 40, subdoc_op = {
            m_path = 0x7f0d13516d00, m_jsn = 0x1ae33a0, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f4a340, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f41400, _M_first = 0x7f0d12f41400, _M_last = 0x7f0d12f41600, 
                            _M_node = 0x7f0d12f4a358}, _M_finish = {_M_cur = 0x7f0d12f41401, _M_first = 0x7f0d12f41400, _M_last = 0x7f0d12f41600, _M_node = 0x7f0d12f4a358}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d135426c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cf0df5700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cf0df5700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693557503744, -4771262700614340274, 0, 8392704, 0, 139693557503744, 4886669917305155918, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 225 (Thread 0x7f0cf05f4700 (LWP 35705)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d1350e400, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f65940
        events = 0x7f0d13509280
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d1350e400, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d1362c460, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cf05e2920, prev_ = 0x7f0cf05e2920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d1362c460}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125882776960}}
        idleStart = {__d = {__r = 15123519875326719}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d1362c460) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d1362c460) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d1362c450) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d1362c450: {thread_id = 139693549111040, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f393f0}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1362c4a0, prev_ = 0x7f0d1362c4a0}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1362c4b0, prev_ = 0x7f0d1362c4b0}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1362c4c8, prev_ = 0x7f0d1362c4c8}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 238, 
                static tls_lastDeferredReaderSlot = 238, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693549111040}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f4a380}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f45100}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 8.8905692664162623e-14, buffer_time_ = {__r = 1463}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 8.8905692664162623e-14, buffer_time_ = {__r = 1463}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 6914, latestLoopCnt_ = 6913, startWork_ = {
              __d = {__r = 15123519875326602}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d1362c618 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1362c658, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1362c690, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 238, static tls_lastDeferredReaderSlot = 238, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f39400}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 41, subdoc_op = {
            m_path = 0x7f0d13517200, m_jsn = 0x1ae3b80, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f4a3c0, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f41600, _M_first = 0x7f0d12f41600, _M_last = 0x7f0d12f41800, 
                            _M_node = 0x7f0d12f4a3d8}, _M_finish = {_M_cur = 0x7f0d12f41601, _M_first = 0x7f0d12f41600, _M_last = 0x7f0d12f41800, _M_node = 0x7f0d12f4a3d8}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d135426f0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cf05f4700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cf05f4700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693549111040, -4771262700614340274, 0, 8392704, 0, 139693549111040, 4886671016279912782, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 224 (Thread 0x7f0cefdf3700 (LWP 35706)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d1350e700, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c0e0
        events = 0x7f0d13509400
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d1350e700, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d1362d030, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cefde1920, prev_ = 0x7f0cefde1920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d1362d030}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125882893442}}
        idleStart = {__d = {__r = 15123519875323354}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d1362d030) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d1362d030) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d1362d020) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d1362d020: {thread_id = 139693540718336, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f39440}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1362d070, prev_ = 0x7f0d1362d070}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1362d080, prev_ = 0x7f0d1362d080}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1362d098, prev_ = 0x7f0d1362d098}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 128, 
                static tls_lastDeferredReaderSlot = 128, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693540718336}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f4a400}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f45200}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 3.7285146095422374e-65, buffer_time_ = {__r = 1464}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 3.7285146095422374e-65, buffer_time_ = {__r = 1464}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 6914, latestLoopCnt_ = 6913, startWork_ = {
              __d = {__r = 15123519875323228}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d1362d1e8 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1362d228, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1362d260, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 128, static tls_lastDeferredReaderSlot = 128, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f39450}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 42, subdoc_op = {
            m_path = 0x7f0d13517700, m_jsn = 0x1ae4360, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f4a440, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f41800, _M_first = 0x7f0d12f41800, _M_last = 0x7f0d12f41a00, 
                            _M_node = 0x7f0d12f4a458}, _M_finish = {_M_cur = 0x7f0d12f41801, _M_first = 0x7f0d12f41800, _M_last = 0x7f0d12f41a00, _M_node = 0x7f0d12f4a458}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13542720) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cefdf3700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cefdf3700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693540718336, -4771262700614340274, 0, 8392704, 0, 139693540718336, 4886632534983553358, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 223 (Thread 0x7f0cef5f2700 (LWP 35707)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d1350ea00, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f65960
        events = 0x7f0d13509580
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d1350ea00, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d1362dc00, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cef5e0920, prev_ = 0x7f0cef5e0920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d1362dc00}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125883019632}}
        idleStart = {__d = {__r = 15123519875337768}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d1362dc00) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d1362dc00) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d1362dbf0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d1362dbf0: {thread_id = 139693532325632, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f39490}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1362dc40, prev_ = 0x7f0d1362dc40}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1362dc50, prev_ = 0x7f0d1362dc50}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1362dc68, prev_ = 0x7f0d1362dc68}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 245, 
                static tls_lastDeferredReaderSlot = 245, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693532325632}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f4a480}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f45300}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 3.7670981416376048e-65, buffer_time_ = {__r = 1531}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 3.7670981416376048e-65, buffer_time_ = {__r = 1531}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 6913, latestLoopCnt_ = 6912, startWork_ = {
              __d = {__r = 15123519875337628}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d1362ddb8 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1362ddf8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1362de30, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 245, static tls_lastDeferredReaderSlot = 245, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f394a0}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 43, subdoc_op = {
            m_path = 0x7f0d13517c00, m_jsn = 0x1ae4b40, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f4a4c0, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f41a00, _M_first = 0x7f0d12f41a00, _M_last = 0x7f0d12f41c00, 
                            _M_node = 0x7f0d12f4a4d8}, _M_finish = {_M_cur = 0x7f0d12f41a01, _M_first = 0x7f0d12f41a00, _M_last = 0x7f0d12f41c00, _M_node = 0x7f0d12f4a4d8}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13542750) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cef5f2700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cef5f2700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693532325632, -4771262700614340274, 0, 8392704, 0, 139693532325632, 4886633633958310222, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 222 (Thread 0x7f0ceedf1700 (LWP 35708)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d1350ed00, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5cbc0
        events = 0x7f0d13509700
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d1350ed00, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d1362e7d0, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0ceeddf920, prev_ = 0x7f0ceeddf920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d1362e7d0}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125883129189}}
        idleStart = {__d = {__r = 15123519875365783}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d1362e7d0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d1362e7d0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d1362e7c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d1362e7c0: {thread_id = 139693523932928, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f394e0}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1362e810, prev_ = 0x7f0d1362e810}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1362e820, prev_ = 0x7f0d1362e820}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1362e838, prev_ = 0x7f0d1362e838}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 167, 
                static tls_lastDeferredReaderSlot = 167, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693523932928}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f4a500}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f45400}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 6.67023532970359e-65, buffer_time_ = {__r = 1418}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 6.67023532970359e-65, buffer_time_ = {__r = 1418}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 6912, latestLoopCnt_ = 6911, startWork_ = {
              __d = {__r = 15123519875365687}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d1362e988 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1362e9c8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1362ea00, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 167, static tls_lastDeferredReaderSlot = 167, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f394f0}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 44, subdoc_op = {
            m_path = 0x7f0d13518100, m_jsn = 0x1ae5320, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f4aac0, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f41c00, _M_first = 0x7f0d12f41c00, _M_last = 0x7f0d12f41e00, 
                            _M_node = 0x7f0d12f4aad8}, _M_finish = {_M_cur = 0x7f0d12f41c01, _M_first = 0x7f0d12f41c00, _M_last = 0x7f0d12f41e00, _M_node = 0x7f0d12f4aad8}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13542780) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0ceedf1700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0ceedf1700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693523932928, -4771262700614340274, 0, 8392704, 0, 139693523932928, 4886630315559203150, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 221 (Thread 0x7f0cee5f0700 (LWP 35709)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d13511000, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5cd60
        events = 0x7f0d13509880
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d13511000, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d1362f3a0, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cee5de920, prev_ = 0x7f0cee5de920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d1362f3a0}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125883244672}}
        idleStart = {__d = {__r = 15123519875397390}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d1362f3a0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d1362f3a0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d1362f390) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d1362f390: {thread_id = 139693515540224, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f39530}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1362f3e0, prev_ = 0x7f0d1362f3e0}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1362f3f0, prev_ = 0x7f0d1362f3f0}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1362f408, prev_ = 0x7f0d1362f408}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, 
                static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693515540224}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f4ab00}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f45500}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 8.9971418735666561e-07, buffer_time_ = {__r = 1474}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 8.9971418735666561e-07, buffer_time_ = {__r = 1474}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 6913, latestLoopCnt_ = 6912, startWork_ = {
              __d = {__r = 15123519875397303}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d1362f558 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1362f598, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1362f5d0, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f39540}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 45, subdoc_op = {
            m_path = 0x7f0d13518600, m_jsn = 0x1ae5b00, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f4ab40, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f41e00, _M_first = 0x7f0d12f41e00, _M_last = 0x7f0d12f42000, 
                            _M_node = 0x7f0d12f4ab58}, _M_finish = {_M_cur = 0x7f0d12f41e01, _M_first = 0x7f0d12f41e00, _M_last = 0x7f0d12f42000, _M_node = 0x7f0d12f4ab58}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d135427b0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cee5f0700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cee5f0700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693515540224, -4771262700614340274, 0, 8392704, 0, 139693515540224, 4886631414533960014, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 220 (Thread 0x7f0ceddef700 (LWP 35710)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d13511300, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c140
        events = 0x7f0d13509a00
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d13511300, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d1362ff70, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cedddd920, prev_ = 0x7f0cedddd920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d1362ff70}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125883370543}}
        idleStart = {__d = {__r = 15123519875378093}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d1362ff70) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d1362ff70) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d1362ff60) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d1362ff60: {thread_id = 139693507147520, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f39580}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1362ffb0, prev_ = 0x7f0d1362ffb0}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1362ffc0, prev_ = 0x7f0d1362ffc0}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1362ffd8, prev_ = 0x7f0d1362ffd8}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 245, 
                static tls_lastDeferredReaderSlot = 245, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693507147520}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f4ab80}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f45600}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 3.8604673950168975e-65, buffer_time_ = {__r = 1438}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 3.8604673950168975e-65, buffer_time_ = {__r = 1438}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 6914, latestLoopCnt_ = 6913, startWork_ = {
              __d = {__r = 15123519875378007}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13630128 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13630168, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d136301a0, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 245, static tls_lastDeferredReaderSlot = 245, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f39590}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 46, subdoc_op = {
            m_path = 0x7f0d13518b00, m_jsn = 0x1ae62e0, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f4abc0, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f4c000, _M_first = 0x7f0d12f4c000, _M_last = 0x7f0d12f4c200, 
                            _M_node = 0x7f0d12f4abd8}, _M_finish = {_M_cur = 0x7f0d12f4c001, _M_first = 0x7f0d12f4c000, _M_last = 0x7f0d12f4c200, _M_node = 0x7f0d12f4abd8}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d135427e0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0ceddef700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0ceddef700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693507147520, -4771262700614340274, 0, 8392704, 0, 139693507147520, 4886628117609689422, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 219 (Thread 0x7f0ced5ee700 (LWP 35711)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d13511600, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5cd40
        events = 0x7f0d13509b80
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d13511600, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d13630b40, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0ced5dc920, prev_ = 0x7f0ced5dc920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d13630b40}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125883481657}}
        idleStart = {__d = {__r = 15123519875391458}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d13630b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d13630b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d13630b30) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d13630b30: {thread_id = 139693498754816, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f395d0}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13630b80, prev_ = 0x7f0d13630b80}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13630b90, prev_ = 0x7f0d13630b90}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13630ba8, prev_ = 0x7f0d13630ba8}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 167, 
                static tls_lastDeferredReaderSlot = 167, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693498754816}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f4ac00}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f45700}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 2.5778104876317754e-57, buffer_time_ = {__r = 1455}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 2.5778104876317754e-57, buffer_time_ = {__r = 1455}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 6915, latestLoopCnt_ = 6914, startWork_ = {
              __d = {__r = 15123519875391332}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13630cf8 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13630d38, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13630d70, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 167, static tls_lastDeferredReaderSlot = 167, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f395e0}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 47, subdoc_op = {
            m_path = 0x7f0d13519000, m_jsn = 0x1ae6ac0, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f4ac40, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f4c200, _M_first = 0x7f0d12f4c200, _M_last = 0x7f0d12f4c400, 
                            _M_node = 0x7f0d12f4ac58}, _M_finish = {_M_cur = 0x7f0d12f4c201, _M_first = 0x7f0d12f4c200, _M_last = 0x7f0d12f4c400, _M_node = 0x7f0d12f4ac58}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13570cd0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0ced5ee700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0ced5ee700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693498754816, -4771262700614340274, 0, 8392704, 0, 139693498754816, 4886629216584446286, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 218 (Thread 0x7f0cecded700 (LWP 35712)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d13511900, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5cce0
        events = 0x7f0d13509d00
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d13511900, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d13631710, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cecddb920, prev_ = 0x7f0cecddb920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d13631710}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125883609327}}
        idleStart = {__d = {__r = 15123519875423955}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d13631710) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d13631710) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d13631700) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d13631700: {thread_id = 139693490362112, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f39620}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13631750, prev_ = 0x7f0d13631750}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13631760, prev_ = 0x7f0d13631760}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13631778, prev_ = 0x7f0d13631778}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, 
                static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693490362112}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f4ac80}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f45800}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 3.7897353267241603e-65, buffer_time_ = {__r = 1461}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 3.7897353267241603e-65, buffer_time_ = {__r = 1461}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 6911, latestLoopCnt_ = 6910, startWork_ = {
              __d = {__r = 15123519875423834}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d136318c8 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13631908, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13631940, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f39630}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 48, subdoc_op = {
            m_path = 0x7f0d13519500, m_jsn = 0x1ae72a0, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f4acc0, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f4c400, _M_first = 0x7f0d12f4c400, _M_last = 0x7f0d12f4c600, 
                            _M_node = 0x7f0d12f4acd8}, _M_finish = {_M_cur = 0x7f0d12f4c401, _M_first = 0x7f0d12f4c400, _M_last = 0x7f0d12f4c600, _M_node = 0x7f0d12f4acd8}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13570d00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cecded700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cecded700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693490362112, -4771262700614340274, 0, 8392704, 0, 139693490362112, 4886625915365208398, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 217 (Thread 0x7f0cec5ec700 (LWP 35713)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d13511c00, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5cc40
        events = 0x7f0d13509e80
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d13511c00, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d136322e0, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cec5da920, prev_ = 0x7f0cec5da920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d136322e0}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125883715355}}
        idleStart = {__d = {__r = 15123519875409571}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d136322e0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d136322e0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d136322d0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d136322d0: {thread_id = 139693481969408, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f39670}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13632320, prev_ = 0x7f0d13632320}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13632330, prev_ = 0x7f0d13632330}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13632348, prev_ = 0x7f0d13632348}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 149, 
                static tls_lastDeferredReaderSlot = 149, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693481969408}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f4ad00}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f45900}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 5.6968694891558661e-65, buffer_time_ = {__r = 1419}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 5.6968694891558661e-65, buffer_time_ = {__r = 1419}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 6912, latestLoopCnt_ = 6911, startWork_ = {
              __d = {__r = 15123519875409441}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13632498 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d136324d8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13632510, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 149, static tls_lastDeferredReaderSlot = 149, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f39680}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 49, subdoc_op = {
            m_path = 0x7f0d13519a00, m_jsn = 0x1ae7a80, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f4ad40, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f4c600, _M_first = 0x7f0d12f4c600, _M_last = 0x7f0d12f4c800, 
                            _M_node = 0x7f0d12f4ad58}, _M_finish = {_M_cur = 0x7f0d12f4c601, _M_first = 0x7f0d12f4c600, _M_last = 0x7f0d12f4c800, _M_node = 0x7f0d12f4ad58}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13570d30) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cec5ec700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cec5ec700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693481969408, -4771262700614340274, 0, 8392704, 0, 139693481969408, 4886627014339965262, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 216 (Thread 0x7f0cebdeb700 (LWP 35714)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d13511f00, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f651a0
        events = 0x7f0d1351e000
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d13511f00, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d13632eb0, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cebdd9920, prev_ = 0x7f0cebdd9920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d13632eb0}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125883825155}}
        idleStart = {__d = {__r = 15123519875416325}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d13632eb0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d13632eb0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d13632ea0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d13632ea0: {thread_id = 139693473576704, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f396c0}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13632ef0, prev_ = 0x7f0d13632ef0}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13632f00, prev_ = 0x7f0d13632f00}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13632f18, prev_ = 0x7f0d13632f18}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 189, 
                static tls_lastDeferredReaderSlot = 189, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693473576704}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f4ad80}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f45a00}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 0.0010863614000766306, buffer_time_ = {__r = 1435}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 0.0010863614000766306, buffer_time_ = {__r = 1435}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 6914, latestLoopCnt_ = 6913, startWork_ = {
              __d = {__r = 15123519875416186}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13633068 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d136330a8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d136330e0, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 189, static tls_lastDeferredReaderSlot = 189, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f396d0}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 50, subdoc_op = {
            m_path = 0x7f0d13519f00, m_jsn = 0x1ae8260, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f4adc0, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f4c800, _M_first = 0x7f0d12f4c800, _M_last = 0x7f0d12f4ca00, 
                            _M_node = 0x7f0d12f4add8}, _M_finish = {_M_cur = 0x7f0d12f4c801, _M_first = 0x7f0d12f4c800, _M_last = 0x7f0d12f4ca00, _M_node = 0x7f0d12f4add8}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13570d60) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0cebdeb700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cebdeb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693473576704, -4771262700614340274, 0, 8392704, 0, 139693473576704, 4886623717415694670, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 215 (Thread 0x7f0ceb5ea700 (LWP 35715)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d13512200, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f65560
        events = 0x7f0d1351e180
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d13512200, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d13633a80, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0ceb5d8920, prev_ = 0x7f0ceb5d8920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d13633a80}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125883949435}}
        idleStart = {__d = {__r = 15123519875446083}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d13633a80) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d13633a80) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d13633a70) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d13633a70: {thread_id = 139693465184000, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f39710}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13633ac0, prev_ = 0x7f0d13633ac0}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13633ad0, prev_ = 0x7f0d13633ad0}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13633ae8, prev_ = 0x7f0d13633ae8}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 189, 
                static tls_lastDeferredReaderSlot = 189, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693465184000}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f4ae00}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f45b00}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 0.32298926145522133, buffer_time_ = {__r = 1758502}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 0.32298926145522133, buffer_time_ = {__r = 1758502}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 3323, latestLoopCnt_ = 3322, startWork_ = {
              __d = {__r = 15123519875445940}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13633c38 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13633c78, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13633cb0, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 189, static tls_lastDeferredReaderSlot = 189, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f39720}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 51, subdoc_op = {
            m_path = 0x7f0d1351a400, m_jsn = 0x1ae8a40, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f4ae40, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f4ca00, _M_first = 0x7f0d12f4ca00, _M_last = 0x7f0d12f4cc00, 
                            _M_node = 0x7f0d12f4ae58}, _M_finish = {_M_cur = 0x7f0d12f4ca01, _M_first = 0x7f0d12f4ca00, _M_last = 0x7f0d12f4cc00, _M_node = 0x7f0d12f4ae58}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13570d90) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0ceb5ea700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0ceb5ea700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693465184000, -4771262700614340274, 0, 8392704, 0, 139693465184000, 4886624816390451534, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 214 (Thread 0x7f0ceade9700 (LWP 35716)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d13512500, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f65660
        events = 0x7f0d1351e300
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d13512500, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d13634650, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0ceadd7920, prev_ = 0x7f0ceadd7920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d13634650}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125884071630}}
        idleStart = {__d = {__r = 15123519875432643}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d13634650) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d13634650) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d13634640) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d13634640: {thread_id = 139693456791296, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f39760}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13634690, prev_ = 0x7f0d13634690}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136346a0, prev_ = 0x7f0d136346a0}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136346b8, prev_ = 0x7f0d136346b8}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 142, 
                static tls_lastDeferredReaderSlot = 142, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693456791296}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f4ae80}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f45c00}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 2.0664067595160712e-58, buffer_time_ = {__r = 1805439}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 2.0664067595160712e-58, buffer_time_ = {__r = 1805439}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 3324, latestLoopCnt_ = 3323, startWork_ = {
              __d = {__r = 15123519875432480}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13634808 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13634848, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13634880, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 142, static tls_lastDeferredReaderSlot = 142, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f39770}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 52, subdoc_op = {
            m_path = 0x7f0d1351a900, m_jsn = 0x1ae9220, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f4aec0, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f4cc00, _M_first = 0x7f0d12f4cc00, _M_last = 0x7f0d12f4ce00, 
                            _M_node = 0x7f0d12f4aed8}, _M_finish = {_M_cur = 0x7f0d12f4cc01, _M_first = 0x7f0d12f4cc00, _M_last = 0x7f0d12f4ce00, _M_node = 0x7f0d12f4aed8}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, 
          new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13570dc0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0ceade9700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0ceade9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693456791296, -4771262700614340274, 0, 8392704, 0, 139693456791296, 4886621515171213646, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 213 (Thread 0x7f0cea5e8700 (LWP 35717)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
No locals.
#1  0x00007f0d18fb0e9b in _L_lock_883 () from /lib64/libpthread.so.0
No symbol table info available.
#2  0x00007f0d18fb0d68 in __GI___pthread_mutex_lock (mutex=0x7f08f0b665b8) at ../nptl/pthread_mutex_lock.c:78
        type = 0
        id = <optimized out>
#3  0x0000000000960d4e in __gthread_mutex_lock (__mutex=0x7f08f0b665b8) at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:749
No locals.
#4  lock (this=0x7f08f0b665b8) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_mutex.h:100
        __e = <optimized out>
#5  lock_guard (__m=..., this=<synthetic pointer>) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_mutex.h:159
No locals.
#6  magma::KVStoreSet::GetAllKVStores() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/kvstore_set.cc:49
        kvs = {<std::_Vector_base<std::shared_ptr<magma::KVStore>, std::allocator<std::shared_ptr<magma::KVStore> > >> = {_M_impl = {<std::allocator<std::shared_ptr<magma::KVStore> >> = {<__gnu_cxx::new_allocator<std::shared_ptr<magma::KVStore> >> = {<No data fields>}, <No data fields>}, <std::_Vector_base<std::shared_ptr<magma::KVStore>, std::allocator<std::shared_ptr<magma::KVStore> > >::_Vector_impl_data> = {
                _M_start = 0x0, _M_finish = 0x0, _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}
        lock = {_M_device = @0x7f08f0b665b8}
#7  0x000000000094074a in magma::Magma::Impl::getStats(magma::Magma::MagmaStats&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/db_stats.cc:181
        __for_range = <optimized out>
        mstats = {NGets = 0, NSets = 0, NInserts = 0, NDeletes = 0, NCommitBatches = 0, NFlushes = 0, NumNormalFlushes = 0, NumSyncFlushes = 0, NumPersistentFlushes = 0, NBloomFilterHits = 0, NBloomFilterMisses = 0, BloomFilterFPR = 0, BytesOutgoing = 0, NReadBytes = 0, NReadBytesCompact = 0, NReadBytesGet = 0, NReadBytesSet = 0, NReadIOs = 0, NReadIOsSet = 0, NReadIOsGet = 0, BytesIncoming = 0, NWriteBytes = 0, 
          NWriteBytesCompact = 0, NWriteIOs = 0, NSyncs = 0, NGetStats = 1865, NGetStatsComputed = 1865, NCompacts = 0, NTTLCompacts = 0, NFileCountCompacts = 0, NNonL0LocalCompacts = 0, NDataLevelFileCountCompacts = 0, NInternalFragmentationCompacts = 0, NWriterCompacts = 0, NTablesCreated = 0, NTablesDeleted = 0, NTableFiles = 0, MemoryQuota = 0, NActivePurgers = 0, NPurgerRuns = 0, BlockCacheQuota = 0, 
          BlockCacheMemUsed = 0, NBlocksCached = 0, WriteCacheQuota = 0, WriteCacheMemUsed = 0, BufferMemUsed = 0, HistogramMemUsed = 0, LSMTreeObjectMemUsed = 0, TotalMemUsed = 0, ActiveIndexBlocksSize = 0, ActiveBloomFilterMemUsed = 0, ActiveDiskUsage = 0, TotalIndexBlocksSize = 0, TotalBloomFilterMemUsed = 0, BloomFilterMemUsedRatio = 0, TotalDiskUsage = 0, TableObjectMemUsed = 0, 
          ManagedFileObjectMemUsed = 0, TableMetaMemUsed = 0, WALMemUsed = 0, WALBufferMemUsed = 0, TreeSnapshotMemoryUsed = 0, ReadAheadBufferMemUsed = 0, ActiveDataSize = 0, LogicalDataSize = 0, LogicalDiskSize = 0, Fragmentation = 0, FragmentationWithOverhead = 0, BlockCacheHits = 1427685, BlockCacheMisses = 204158, BlockCacheHitRatio = 87.4891129, FlushQueueSize = 0, CompactQueueSize = 0, WriteAmp = 0, 
          ReadAmp = 0, ReadAmpGet = 0, ReadIOAmp = 0, ReadIOAmpSet = 0, BytesPerRead = 0, NGetsPerSec = 0, NSetsPerSec = 0, NInsertsPerSec = 0, NBloomFilterHitsPerSec = 0, NBloomFilterMissesPerSec = 0, BlockCacheHitsPerSec = 0, BlockCacheMissesPerSec = 0, RecentBlockCacheHitRatio = 0, NDeletesPerSec = 0, NCommitBatchesPerSec = 0, NFlushesPerSec = 0, NCompactsPerSec = 0, NGetStatsPerSec = 0, 
          NGetStatsComputedPerSec = 0, NSyncsPerSec = 0, NReadBytesPerSec = 0, NReadBytesSetPerSec = 0, NReadBytesGetPerSec = 0, NReadBytesCompactPerSec = 0, BytesOutgoingPerSec = 0, NReadIOsPerSec = 0, NReadIOsSetPerSec = 0, NReadIOsGetPerSec = 0, BytesIncomingPerSec = 0, NWriteBytesPerSec = 0, NWriteIOsPerSec = 0, NWriteBytesCompactPerSec = 0, RecentWriteAmp = 0, RecentReadAmp = 0, RecentReadAmpGet = 0, 
          RecentReadIOAmp = 0, RecentReadIOAmpSet = 0, RecentBytesPerRead = 0, RecentBloomFilterFPR = 0, ReplayWALOffset = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0cea5d4f60 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, 
          IndexResidentRatio = 0, KeyStats = {UID = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0cea5d4f88 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, NItemsPut = 0, NItemsDel = 0, NItemsGet = 0, NBloomFilterHits = 0, NBloomFilterMisses = 0, 
            BytesIncoming = 0, BytesOutgoing = 0, NWriteBytes = 0, NReadBytes = 0, NSyncs = 0, NReadIOs = 0, NWriteIOs = 0, NItemsGarbageCollected = 0, NItemsMerged = 0, NItemsTransformed = 0, NItemsDropped = 0, NTablesCreated = 0, NTablesDeleted = 0, NTableFiles = 0, NCompacts = 0, NTTLCompacts = 0, NFileCountCompacts = 0, NNonL0LocalCompacts = 0, NDataLevelFileCountCompacts = 0, 
            NInternalFragmentationCompacts = 0, NWriterCompacts = 0, ActiveDiskUsage = 0, ActiveBloomFilterMemUsed = 0, ActiveIndexBlocksSize = 0, TotalDiskUsage = 0, TotalBloomFilterMemUsed = 0, TotalIndexBlocksSize = 0, TableObjectMemUsed = 0, ManagedFileObjectMemUsed = 0, TableMetaMemUsed = 0, MemtablesMemUsed = 0, BufferMemUsed = 0, ReadAheadBufferMemUsed = 0, NFailedCompacts = 0, TreeSnapshotMemoryUsed = 0, 
            PendingCheckpointBytes = 0, CheckpointOverhead = 0, LSMTreeObjectMemUsed = 0, WriteAmp = 0, ReadAmp = 0, ReadIOAmp = 0, BloomFilterFPR = 0, LogicalDataSize = 0, LogicalDiskSize = 0, Writer = {NInserts = 0, NBytesIncoming = 0, NWriteBytes = 0, NWriteIOs = 0, NSyncs = 0, NDataBlockWrites = 0, NIndexBlockWrites = 0}, Reader = {NBytesOutgoing = 0, NReadBytes = 0, NReadIOs = 0, NDataBlockReads = 0, 
              NIndexBlockReads = 0}, CompactWriter = {NInserts = 0, NBytesIncoming = 0, NWriteBytes = 0, NWriteIOs = 0, NSyncs = 0, NDataBlockWrites = 0, NIndexBlockWrites = 0}, CompactReader = {NBytesOutgoing = 0, NReadBytes = 0, NReadIOs = 0, NDataBlockReads = 0, NIndexBlockReads = 0}, IterateReader = {NBytesOutgoing = 0, NReadBytes = 0, NReadIOs = 0, NDataBlockReads = 0, NIndexBlockReads = 0}, 
            LevelStats = {<std::_Vector_base<magma::LSMTreeLevelStats, std::allocator<magma::LSMTreeLevelStats> >> = {_M_impl = {<std::allocator<magma::LSMTreeLevelStats>> = {<__gnu_cxx::new_allocator<magma::LSMTreeLevelStats>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<magma::LSMTreeLevelStats, std::allocator<magma::LSMTreeLevelStats> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                    _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}}, SeqStats = {UID = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0cea5d5230 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, NItemsPut = 0, NItemsDel = 0, 
            NItemsGet = 0, NBloomFilterHits = 0, NBloomFilterMisses = 0, BytesIncoming = 0, BytesOutgoing = 0, NWriteBytes = 0, NReadBytes = 0, NSyncs = 0, NReadIOs = 0, NWriteIOs = 0, NItemsGarbageCollected = 0, NItemsMerged = 0, NItemsTransformed = 0, NItemsDropped = 0, NTablesCreated = 0, NTablesDeleted = 0, NTableFiles = 0, NCompacts = 0, NTTLCompacts = 0, NFileCountCompacts = 0, NNonL0LocalCompacts = 0, 
            NDataLevelFileCountCompacts = 0, NInternalFragmentationCompacts = 0, NWriterCompacts = 0, ActiveDiskUsage = 0, ActiveBloomFilterMemUsed = 0, ActiveIndexBlocksSize = 0, TotalDiskUsage = 0, TotalBloomFilterMemUsed = 0, TotalIndexBlocksSize = 0, TableObjectMemUsed = 0, ManagedFileObjectMemUsed = 0, TableMetaMemUsed = 0, MemtablesMemUsed = 0, BufferMemUsed = 0, ReadAheadBufferMemUsed = 0, 
            NFailedCompacts = 0, TreeSnapshotMemoryUsed = 0, PendingCheckpointBytes = 0, CheckpointOverhead = 0, LSMTreeObjectMemUsed = 0, WriteAmp = 0, ReadAmp = 0, ReadIOAmp = 0, BloomFilterFPR = 0, LogicalDataSize = 0, LogicalDiskSize = 0, Writer = {NInserts = 0, NBytesIncoming = 0, NWriteBytes = 0, NWriteIOs = 0, NSyncs = 0, NDataBlockWrites = 0, NIndexBlockWrites = 0}, Reader = {NBytesOutgoing = 0, 
              NReadBytes = 0, NReadIOs = 0, NDataBlockReads = 0, NIndexBlockReads = 0}, CompactWriter = {NInserts = 0, NBytesIncoming = 0, NWriteBytes = 0, NWriteIOs = 0, NSyncs = 0, NDataBlockWrites = 0, NIndexBlockWrites = 0}, CompactReader = {NBytesOutgoing = 0, NReadBytes = 0, NReadIOs = 0, NDataBlockReads = 0, NIndexBlockReads = 0}, IterateReader = {NBytesOutgoing = 0, NReadBytes = 0, NReadIOs = 0, 
              NDataBlockReads = 0, NIndexBlockReads = 0}, LevelStats = {<std::_Vector_base<magma::LSMTreeLevelStats, std::allocator<magma::LSMTreeLevelStats> >> = {
                _M_impl = {<std::allocator<magma::LSMTreeLevelStats>> = {<__gnu_cxx::new_allocator<magma::LSMTreeLevelStats>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<magma::LSMTreeLevelStats, std::allocator<magma::LSMTreeLevelStats> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}}, LocalStats = {UID = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0cea5d54d8 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, NItemsPut = 0, NItemsDel = 0, NItemsGet = 0, NBloomFilterHits = 0, NBloomFilterMisses = 0, BytesIncoming = 0, BytesOutgoing = 0, 
            NWriteBytes = 0, NReadBytes = 0, NSyncs = 0, NReadIOs = 0, NWriteIOs = 0, NItemsGarbageCollected = 0, NItemsMerged = 0, NItemsTransformed = 0, NItemsDropped = 0, NTablesCreated = 0, NTablesDeleted = 0, NTableFiles = 0, NCompacts = 0, NTTLCompacts = 0, NFileCountCompacts = 0, NNonL0LocalCompacts = 0, NDataLevelFileCountCompacts = 0, NInternalFragmentationCompacts = 0, NWriterCompacts = 0, 
            ActiveDiskUsage = 0, ActiveBloomFilterMemUsed = 0, ActiveIndexBlocksSize = 0, TotalDiskUsage = 0, TotalBloomFilterMemUsed = 0, TotalIndexBlocksSize = 0, TableObjectMemUsed = 0, ManagedFileObjectMemUsed = 0, TableMetaMemUsed = 0, MemtablesMemUsed = 0, BufferMemUsed = 0, ReadAheadBufferMemUsed = 0, NFailedCompacts = 0, TreeSnapshotMemoryUsed = 0, PendingCheckpointBytes = 0, CheckpointOverhead = 0, 
            LSMTreeObjectMemUsed = 0, WriteAmp = 0, ReadAmp = 0, ReadIOAmp = 0, BloomFilterFPR = 0, LogicalDataSize = 0, LogicalDiskSize = 0, Writer = {NInserts = 0, NBytesIncoming = 0, NWriteBytes = 0, NWriteIOs = 0, NSyncs = 0, NDataBlockWrites = 0, NIndexBlockWrites = 0}, Reader = {NBytesOutgoing = 0, NReadBytes = 0, NReadIOs = 0, NDataBlockReads = 0, NIndexBlockReads = 0}, CompactWriter = {NInserts = 0, 
              NBytesIncoming = 0, NWriteBytes = 0, NWriteIOs = 0, NSyncs = 0, NDataBlockWrites = 0, NIndexBlockWrites = 0}, CompactReader = {NBytesOutgoing = 0, NReadBytes = 0, NReadIOs = 0, NDataBlockReads = 0, NIndexBlockReads = 0}, IterateReader = {NBytesOutgoing = 0, NReadBytes = 0, NReadIOs = 0, NDataBlockReads = 0, NIndexBlockReads = 0}, 
            LevelStats = {<std::_Vector_base<magma::LSMTreeLevelStats, std::allocator<magma::LSMTreeLevelStats> >> = {_M_impl = {<std::allocator<magma::LSMTreeLevelStats>> = {<__gnu_cxx::new_allocator<magma::LSMTreeLevelStats>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<magma::LSMTreeLevelStats, std::allocator<magma::LSMTreeLevelStats> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                    _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}}, WalStats = {NTxns = 146762, NInserts = 1200550, NWrites = 146965, NWriteBytes = 871649280, NLoggedBytes = 871649392, NSegments = 76, NActiveSegments = 2, DiskUsed = 14635008, TxnSizeEstimate = 5017, NSyncs = 146761}}
        lsmStats = {UID = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0cea5d4060 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, NItemsPut = 0, NItemsDel = 0, NItemsGet = 0, NBloomFilterHits = 0, NBloomFilterMisses = 0, BytesIncoming = 0, 
          BytesOutgoing = 0, NWriteBytes = 0, NReadBytes = 0, NSyncs = 0, NReadIOs = 0, NWriteIOs = 0, NItemsGarbageCollected = 0, NItemsMerged = 0, NItemsTransformed = 0, NItemsDropped = 0, NTablesCreated = 0, NTablesDeleted = 0, NTableFiles = 0, NCompacts = 0, NTTLCompacts = 0, NFileCountCompacts = 0, NNonL0LocalCompacts = 0, NDataLevelFileCountCompacts = 0, NInternalFragmentationCompacts = 0, 
          NWriterCompacts = 0, ActiveDiskUsage = 0, ActiveBloomFilterMemUsed = 0, ActiveIndexBlocksSize = 0, TotalDiskUsage = 0, TotalBloomFilterMemUsed = 0, TotalIndexBlocksSize = 0, TableObjectMemUsed = 0, ManagedFileObjectMemUsed = 0, TableMetaMemUsed = 0, MemtablesMemUsed = 0, BufferMemUsed = 0, ReadAheadBufferMemUsed = 0, NFailedCompacts = 0, TreeSnapshotMemoryUsed = 0, PendingCheckpointBytes = 0, 
          CheckpointOverhead = 0, LSMTreeObjectMemUsed = 0, WriteAmp = 0, ReadAmp = 0, ReadIOAmp = 0, BloomFilterFPR = 0, LogicalDataSize = 0, LogicalDiskSize = 0, Writer = {NInserts = 0, NBytesIncoming = 0, NWriteBytes = 0, NWriteIOs = 0, NSyncs = 0, NDataBlockWrites = 0, NIndexBlockWrites = 0}, Reader = {NBytesOutgoing = 0, NReadBytes = 0, NReadIOs = 0, NDataBlockReads = 0, NIndexBlockReads = 0}, 
          CompactWriter = {NInserts = 0, NBytesIncoming = 0, NWriteBytes = 0, NWriteIOs = 0, NSyncs = 0, NDataBlockWrites = 0, NIndexBlockWrites = 0}, CompactReader = {NBytesOutgoing = 0, NReadBytes = 0, NReadIOs = 0, NDataBlockReads = 0, NIndexBlockReads = 0}, IterateReader = {NBytesOutgoing = 0, NReadBytes = 0, NReadIOs = 0, NDataBlockReads = 0, NIndexBlockReads = 0}, 
          LevelStats = {<std::_Vector_base<magma::LSMTreeLevelStats, std::allocator<magma::LSMTreeLevelStats> >> = {_M_impl = {<std::allocator<magma::LSMTreeLevelStats>> = {<__gnu_cxx::new_allocator<magma::LSMTreeLevelStats>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<magma::LSMTreeLevelStats, std::allocator<magma::LSMTreeLevelStats> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                  _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}}
        lookupOnSetStats = {NBytesOutgoing = 0, NReadBytes = 0, NReadIOs = 0, NDataBlockReads = 0, NIndexBlockReads = <optimized out>}
        nKVStores = 0
        totalIndexSize = <optimized out>
        bfTotal = <optimized out>
#8  0x0000000000944010 in GetStats (cacheDuration=..., magmaStats=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/db_stats.cc:360
        lock = {_M_device = 0x7f08f0b67170, _M_owns = true}
        now = <optimized out>
#9  magma::Magma::GetStats(magma::Magma::MagmaStats&, std::chrono::duration<long, std::ratio<1l, 1000l> >) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/db_stats.cc:368
No locals.
#10 0x00000000008908e0 in MagmaMemoryTrackingProxy::GetStats(std::chrono::duration<long, std::ratio<1l, 1000l> >) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kvstore/magma-kvstore/magma-memory-tracking-proxy.cc:248
        domainGuard = {previous = cb::Primary}
        stats = {_M_t = {<std::__uniq_ptr_impl<magma::Magma::MagmaStats, DomainAwareDelete<magma::Magma::MagmaStats> >> = {
              _M_t = {<std::_Tuple_impl<0, magma::Magma::MagmaStats*, DomainAwareDelete<magma::Magma::MagmaStats> >> = {<std::_Tuple_impl<1, DomainAwareDelete<magma::Magma::MagmaStats> >> = {<std::_Head_base<1, DomainAwareDelete<magma::Magma::MagmaStats>, true>> = {<DomainAwareDelete<magma::Magma::MagmaStats>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Magma::MagmaStats*, false>> = {_M_head_impl = 0x7f06df6f8400}, <No data fields>}, <No data fields>}}, <No data fields>}}
#11 0x000000000086eca0 in MagmaKVStore::getAggrDbFileInfo (this=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kvstore/magma-kvstore/magma-kvstore.cc:3130
        stats = {_M_t = {<std::__uniq_ptr_impl<magma::Magma::MagmaStats, DomainAwareDelete<magma::Magma::MagmaStats> >> = {
              _M_t = {<std::_Tuple_impl<0, magma::Magma::MagmaStats*, DomainAwareDelete<magma::Magma::MagmaStats> >> = {<std::_Tuple_impl<1, DomainAwareDelete<magma::Magma::MagmaStats> >> = {<std::_Head_base<1, DomainAwareDelete<magma::Magma::MagmaStats>, true>> = {<DomainAwareDelete<magma::Magma::MagmaStats>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Magma::MagmaStats*, false>> = {_M_head_impl = 0x7f06df6f8400}, <No data fields>}, <No data fields>}}, <No data fields>}}
        vbinfo = {fileSize = 38370955264, spaceUsed = 22441137701, prepareBytes = 0}
#12 0x000000000081f0f5 in EPBucket::getFileStats(BucketStatCollector const&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kvshard.h:72
        dbInfo = {fileSize = 38370955264, spaceUsed = 22441137701, prepareBytes = 0}
        shardId = <optimized out>
        numShards = 72
        totalInfo = {fileSize = 136937271296, spaceUsed = 77913465741, prepareBytes = 0}
#13 0x00000000006b310b in EventuallyPersistentEngine::doEngineStatsLowCardinality(BucketStatCollector const&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_engine.cc:3128
        epstats = @0x7f0d10000058: {warmedUpKeys = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 48555900}, static is_always_lock_free = true}}, warmedUpValues = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 48555900}, static is_always_lock_free = true}}, warmedUpPrepares = {value = {<std::__atomic_base<unsigned long>> = {
                static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, warmupItemsVisitedWhilstLoadingPrepares = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, warmDups = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, warmOOM = {
            value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, warmupMemUsedCap = {static _S_min_alignment = 8, static _S_alignment = 8, _M_i = 1, static is_always_lock_free = <optimized out>}, warmupNumReadCap = {static _S_min_alignment = 8, static _S_alignment = 8, _M_i = 1, static is_always_lock_free = <optimized out>}, 
          diskQueueSize = {<cb::ThrowExceptionUnderflowPolicy<unsigned long>> = {<No data fields>}, value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 157027}, static is_always_lock_free = true}}, flusher_todo = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, flusherCommits = {
            value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 13035457}, static is_always_lock_free = true}}, cumulativeFlushTime = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 35587923}, static is_always_lock_free = true}}, cumulativeCommitTime = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 35329434}, 
              static is_always_lock_free = true}}, tooYoung = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, tooOld = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, totalPersisted = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, 
                _M_i = 34025731}, static is_always_lock_free = true}}, totalPersistVBState = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 13035457}, static is_always_lock_free = true}}, totalEnqueued = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 34241696}, static is_always_lock_free = true}}, totalDeduplicated = {
            value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 244337}, static is_always_lock_free = true}}, flushFailed = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, flushExpired = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, 
          expired_access = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, expired_compactor = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, expired_pager = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
              static is_always_lock_free = true}}, beginFailed = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, commitFailed = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, dirtyAge = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 3}, 
            static is_always_lock_free = true}, dirtyAgeHighWat = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 20372}, static is_always_lock_free = true}, commit_time = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, vbucketDeletions = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 106}, 
              static is_always_lock_free = true}}, vbucketDeletionFail = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, mem_low_wat = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 80530636800}, static is_always_lock_free = true}, mem_low_wat_percent = {static _S_min_alignment = 8, static _S_alignment = 8, 
            _M_i = 0.75, static is_always_lock_free = <optimized out>}, mem_high_wat = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 91268055040}, static is_always_lock_free = true}, mem_high_wat_percent = {static _S_min_alignment = 8, static _S_alignment = 8, _M_i = 0.84999999999999998, static is_always_lock_free = <optimized out>}, cursorsDropped = {
            value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, memFreedByCheckpointRemoval = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 27985082980}, static is_always_lock_free = true}, memFreedByCheckpointItemExpel = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
              static is_always_lock_free = true}}, pagerRuns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 2}, static is_always_lock_free = true}}, expiryPagerRuns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 3}, static is_always_lock_free = true}}, freqDecayerRuns = {value = {<std::__atomic_base<unsigned long>> = {
                static _S_alignment = 8, _M_i = 1}, static is_always_lock_free = true}}, itemsExpelledFromCheckpoints = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, itemsRemovedFromCheckpoints = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 24118482}, static is_always_lock_free = true}}, 
          numValueEjects = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 19506418}, static is_always_lock_free = true}}, numFailedEjects = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 1112124}, static is_always_lock_free = true}}, numNotMyVBuckets = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 291}, 
              static is_always_lock_free = true}}, coreLocal = {coreArray = {<std::_Vector_base<folly::aligned<CoreLocalStats, 64>, std::allocator<folly::aligned<CoreLocalStats, 64> > >> = {
                _M_impl = {<std::allocator<folly::aligned<CoreLocalStats, 64> >> = {<__gnu_cxx::new_allocator<folly::aligned<CoreLocalStats, 64> >> = {<No data fields>}, <No data fields>}, <std::_Vector_base<folly::aligned<CoreLocalStats, 64>, std::allocator<folly::aligned<CoreLocalStats, 64> > >::_Vector_impl_data> = {_M_start = 0x7f0d1000a000, _M_finish = 0x7f0d1000d600, 
                    _M_end_of_storage = 0x7f0d1000d600}, <No data fields>}}, <No data fields>}}, replicaHTMemory = {value = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, replicaCheckpointOverhead = {value = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, forceShutdown = {_M_base = {
              static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, oom_errors = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, tmp_oom_errors = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, pendingOps = {
            value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, pendingOpsTotal = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, pendingOpsMax = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, 
          pendingOpsMaxDuration = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, pendingOpsHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036000}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, pendingCompactions = {
            value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, bg_fetched = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 9139390}, static is_always_lock_free = true}}, bg_meta_fetched = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 4572495}, 
              static is_always_lock_free = true}}, numRemainingBgItems = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, numRemainingBgJobs = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, bgNumOperations = {value = {<std::__atomic_base<unsigned long>> = {
                static _S_alignment = 8, _M_i = 13711885}, static is_always_lock_free = true}}, bgWait = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 4205612781}, static is_always_lock_free = true}, bgMinWait = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 1}, static is_always_lock_free = true}, bgMaxWait = {<std::__atomic_base<unsigned long>> = {
              static _S_alignment = 8, _M_i = 259159}, static is_always_lock_free = true}, bgWaitHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d100360c0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          bgLoad = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 6402203182}, static is_always_lock_free = true}, bgMinLoad = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 5}, static is_always_lock_free = true}, bgMaxLoad = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 255279}, static is_always_lock_free = true}, 
          bgLoadHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036180}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          vbucketDelMaxWalltime = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 1416393}, static is_always_lock_free = true}, vbucketDelTotWalltime = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 66089341}, static is_always_lock_free = true}, setWithMetaHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036240}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, accessScannerHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036300}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          checkpointRemoverHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d100363c0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, itemPagerHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036480}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, expiryPagerHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036540}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, replicationThrottleThreshold = {
            static _S_min_alignment = 8, static _S_alignment = 8, _M_i = 0.98999999999999999, static is_always_lock_free = <optimized out>}, numOpsStore = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 9145588}, static is_always_lock_free = true}}, numOpsDelete = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 4576209}, 
              static is_always_lock_free = true}}, numOpsGet = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, numOpsGetMeta = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, numOpsSetMeta = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, 
                _M_i = 0}, static is_always_lock_free = true}}, numOpsDelMeta = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, numOpsSetMetaResolutionFailed = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, numOpsDelMetaResolutionFailed = {
            value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, numOpsSetRetMeta = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, numOpsDelRetMeta = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, 
          numOpsGetMetaOnSetWithMeta = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, alogRuns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 72}, static is_always_lock_free = true}}, accessScannerSkips = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
              static is_always_lock_free = true}}, alogNumItems = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 961103}, static is_always_lock_free = true}}, alogTime = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 1638583200}, static is_always_lock_free = true}, alogRuntime = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, 
            static is_always_lock_free = true}, expPagerTime = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 1638465438}, static is_always_lock_free = true}, isShutdown = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, rollbackCount = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 17}, 
              static is_always_lock_free = true}}, defragNumVisited = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 1082414}, static is_always_lock_free = true}}, defragNumMoved = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, defragStoredValueNumMoved = {value = {<std::__atomic_base<unsigned long>> = {
                static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, compressorNumVisited = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, compressorNumCompressed = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, 
          dirtyAgeHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036600}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          itemAllocSizeHisto = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
            histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                    _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                          _M_head_impl = 0x7f0d100366c0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, getMultiBatchSizeHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036780}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          activeOrPendingFrequencyValuesEvictedHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Linear, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036840}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          replicaFrequencyValuesEvictedHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Linear, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036900}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          activeOrPendingFrequencyValuesSnapshotHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Linear, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d100369c0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          replicaFrequencyValuesSnapshotHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Linear, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036a80}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, getVbucketCmdHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036b40}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, setVbucketCmdHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036c00}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, delVbucketCmdHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036cc0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, getCmdHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036d80}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          storeCmdHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036e40}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          arithCmdHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036f00}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, notifyIOHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036fc0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          getStatsCmdHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10037080}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          chkPersistenceHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10037140}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, diskInsertHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10037200}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, diskUpdateHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d100372c0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          diskDelHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10037380}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          diskVBDelHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10037440}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, diskCommitHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10037500}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          schedulingHisto = {<std::_Vector_base<Hdr1sfMicroSecHistogram, std::allocator<Hdr1sfMicroSecHistogram> >> = {_M_impl = {<std::allocator<Hdr1sfMicroSecHistogram>> = {<__gnu_cxx::new_allocator<Hdr1sfMicroSecHistogram>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<Hdr1sfMicroSecHistogram, std::allocator<Hdr1sfMicroSecHistogram> >::_Vector_impl_data> = {_M_start = 0x7f086197b800, 
                  _M_finish = 0x7f086197be30, _M_end_of_storage = 0x7f086197be30}, <No data fields>}}, <No data fields>}, taskRuntimeHisto = {<std::_Vector_base<Hdr1sfMicroSecHistogram, std::allocator<Hdr1sfMicroSecHistogram> >> = {
              _M_impl = {<std::allocator<Hdr1sfMicroSecHistogram>> = {<__gnu_cxx::new_allocator<Hdr1sfMicroSecHistogram>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<Hdr1sfMicroSecHistogram, std::allocator<Hdr1sfMicroSecHistogram> >::_Vector_impl_data> = {_M_start = 0x7f0861979c00, _M_finish = 0x7f086197a230, _M_end_of_storage = 0x7f086197a230}, <No data fields>}}, <No data fields>}, 
          persistenceCursorGetItemsHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d100375c0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          dcpCursorsGetItemsHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10037680}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          syncWriteCommitTimes = {_M_elems = {{<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
                  histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                          _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                                _M_head_impl = 0x7f0d10037740}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                      static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                      static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
              {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
                  histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                          _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                                _M_head_impl = 0x7f0d10037800}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                      static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                      static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
              {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
                  histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                          _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                                _M_head_impl = 0x7f0d100378c0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                      static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                      static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}}}, 
          arena = {estimateUpdateThreshold = {value = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 102400}, static is_always_lock_free = true}}, arena = 2, index = 0 '\000', threadCache = true}, timingLog = 0x0, maxDataSize = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 107374182400}, static is_always_lock_free = true}}
        flusher = <optimized out>
        memUsed = <optimized out>
#14 0x00000000006bc98b in doEngineStats (collector=..., this=0x7f0d10000000) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_engine.cc:4970
        status = <optimized out>
#15 EventuallyPersistentEngine::getStats(void const*, std::basic_string_view<char, std::char_traits<char> >, std::basic_string_view<char, std::char_traits<char> >, std::function<void (std::basic_string_view<char, std::char_traits<char> >, std::basic_string_view<char, std::char_traits<char> >, void const*)> const&) ()
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_engine.cc:4970
        c = 0x7f08529a8980
        timer = {listeners = {<std::_Tuple_impl<0, MicrosecondStopwatch<Hdr1sfMicroSecHistogram>, TracerStopwatch>> = {<std::_Tuple_impl<1, TracerStopwatch>> = {<std::_Head_base<1, TracerStopwatch, false>> = {_M_head_impl = {traceable = 0x7f08529a8980, code = cb::tracing::GetStats, startTime = {__d = {__r = 15123205055566465}}, stopTime = {__d = {
                        __r = 0}}}}, <No data fields>}, <std::_Head_base<0, MicrosecondStopwatch<Hdr1sfMicroSecHistogram>, false>> = {_M_head_impl = {histogram = @0x7f0d10000568, startTime = {__d = {__r = 15123205055566465}}}}, <No data fields>}, <No data fields>}}
        collector = {<StatCollector> = {_vptr.StatCollector = 0xca4950 <vtable for CBStatCollector+16>}, addStatFn = {<std::_Maybe_unary_or_binary_function<void, std::basic_string_view<char, std::char_traits<char> >, std::basic_string_view<char, std::char_traits<char> >, void const*>> = {<No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {
                  _M_object = 0x10ee120 <appendStatsFn>, _M_const_object = 0x10ee120 <appendStatsFn>, _M_function_pointer = 0x10ee120 <appendStatsFn>, _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x10ee120 <appendStatsFn>, this adjustment 6138153}, _M_pod_data = " \341\016\001\000\000\000\000)\251]\000\000\000\000"}, 
              _M_manager = 0x6becd0 <_ZNSt17_Function_handlerIFvSt17basic_string_viewIcSt11char_traitsIcEES3_PKvEZNK19makeExitBorderGuardMUlOT_E_clISt17reference_wrapperIKSt8functionIS6_EEEEDaS8_EUlDpOT_E_E10_M_managerERSt9_Any_dataRKSL_St18_Manager_operation>}, 
            _M_invoker = 0x6bf100 <_ZNSt17_Function_handlerIFvSt17basic_string_viewIcSt11char_traitsIcEES3_PKvEZNK19makeExitBorderGuardMUlOT_E_clISt17reference_wrapperIKSt8functionIS6_EEEEDaS8_EUlDpOT_E_E9_M_invokeERKSt9_Any_dataOS3_SO_OS5_>}, cookie = 0x7f08529a8980}
        bucketCollector = {<LabelledStatCollector> = {<StatCollector> = {_vptr.StatCollector = 0xca7270 <vtable for BucketStatCollector+16>}, parent = @0x7f0cea5d5af0, defaultLabels = {
              _M_h = {<std::__detail::_Hashtable_base<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Select1st, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, true>> = {<std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >> = {<std::__hash_base<unsigned long, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, true>> = {<std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >> = {<std::binary_function<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1009be00, _M_bucket_count = 2, _M_before_begin = {_M_nxt = 0x7efb76cd36f0}, _M_element_count = 1, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 2}, _M_single_bucket = 0x0}}}, <No data fields>}
#16 0x00000000006bd569 in EventuallyPersistentEngine::get_stats(CookieIface const&, std::basic_string_view<char, std::char_traits<char> >, std::basic_string_view<char, std::char_traits<char> >, std::function<void (std::basic_string_view<char, std::char_traits<char> >, std::basic_string_view<char, std::char_traits<char> >, void const*)> const&) () at /opt/gcc-10.2.0/include/c++/10.2.0/new:175
        addStatExitBorderGuard = {<No data fields>}
#17 0x0000000000588a98 in bucket_get_stats(Cookie&, std::basic_string_view<char, std::char_traits<char> >, cb::sized_buffer<unsigned char const>, std::function<void (std::basic_string_view<char, std::char_traits<char> >, std::basic_string_view<char, std::char_traits<char> >, void const*)> const&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/protocol/mcbp/engine_wrapper.cc:372
        c = @0x7f08529a8700: {<DcpMessageProducersIface> = {_vptr.DcpMessageProducersIface = 0xc4baf8 <vtable for Connection+16>}, cookies = {<std::_Deque_base<std::unique_ptr<Cookie, std::default_delete<Cookie> >, std::allocator<std::unique_ptr<Cookie, std::default_delete<Cookie> > > >> = {
              _M_impl = {<std::allocator<std::unique_ptr<Cookie, std::default_delete<Cookie> > >> = {<__gnu_cxx::new_allocator<std::unique_ptr<Cookie, std::default_delete<Cookie> > >> = {<No data fields>}, <No data fields>}, <std::_Deque_base<std::unique_ptr<Cookie, std::default_delete<Cookie> >, std::allocator<std::unique_ptr<Cookie, std::default_delete<Cookie> > > >::_Deque_impl_data> = {
                  _M_map = 0x7f0cf6c02400, _M_map_size = 8, _M_start = {_M_cur = 0x7f0a12499400, _M_first = 0x7f0a12499400, _M_last = 0x7f0a12499600, _M_node = 0x7f0cf6c02418}, _M_finish = {_M_cur = 0x7f0a12499408, _M_first = 0x7f0a12499400, _M_last = 0x7f0a12499600, _M_node = 0x7f0cf6c02418}}, <No data fields>}}, <No data fields>}, 
          tenant = {<std::__shared_ptr<Tenant, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<Tenant, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, privilegeContext = {generation = 2, domain = cb::sasl::Local, mask = {<std::_Base_bitset<1>> = {_M_w = 163710944}, <No data fields>}, 
            bucket = {<std::__shared_ptr<cb::rbac::Bucket const, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<cb::rbac::Bucket const, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0d13da2490, _M_refcount = {_M_pi = 0x7f0d13da2480}}, <No data fields>}, droppedPrivileges = {<std::_Vector_base<cb::rbac::Privilege, std::allocator<cb::rbac::Privilege> >> = {
                _M_impl = {<std::allocator<cb::rbac::Privilege>> = {<__gnu_cxx::new_allocator<cb::rbac::Privilege>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<cb::rbac::Privilege, std::allocator<cb::rbac::Privilege> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}}, user = {name = {static npos = 18446744073709551615, 
              _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f08529a87b0 "@ns_server"}, _M_string_length = 10, {_M_local_buf = "@ns_server\000\023\r\177\000", _M_allocated_capacity = 8534995790017556032}}, domain = cb::sasl::Local}, description = {static npos = 18446744073709551615, 
            _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0cf6e32d00 "[ {\"ip\":\"127.0.0.1\",\"port\":60348} - {\"ip\":\"127.0.0.1\",\"port\":11209} (System, <ud>@ns_server</ud>) ]"}, _M_string_length = 99, {_M_local_buf = "\204\000\000\000\000\000\000\000\060.000000", _M_allocated_capacity = 132}}, peername = {
            static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0cf6c02440 "{\"ip\":\"127.0.0.1\",\"port\":60348}"}, _M_string_length = 31, {_M_local_buf = "<\000\000\000\000\000\000\000_create{", _M_allocated_capacity = 60}}, sockname = {static npos = 18446744073709551615, 
            _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0cf6c02480 "{\"ip\":\"127.0.0.1\",\"port\":11209}"}, _M_string_length = 31, {_M_local_buf = "<\000\000\000\000\000\000\000,state=\"", _M_allocated_capacity = 60}}, terminationReason = {static npos = 18446744073709551615, 
            _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f08529a8838 ""}, _M_string_length = 0, {_M_local_buf = "\000\060 1638463203000", _M_allocated_capacity = 3762813796513492992}}, sendQueueInfo = {last = {__d = {__r = 0}}, size = 0, term = false}, thread = @0x7f0d13635210, 
          listening_port = {<std::__shared_ptr<ListeningPort, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<ListeningPort, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0d13da2850, _M_refcount = {_M_pi = 0x7f0d13da2840}}, <No data fields>}, saslServerContext = {
            _M_t = {<std::__uniq_ptr_impl<cb::sasl::server::ServerContext, std::default_delete<cb::sasl::server::ServerContext> >> = {
                _M_t = {<std::_Tuple_impl<0, cb::sasl::server::ServerContext*, std::default_delete<cb::sasl::server::ServerContext> >> = {<std::_Tuple_impl<1, std::default_delete<cb::sasl::server::ServerContext> >> = {<std::_Head_base<1, std::default_delete<cb::sasl::server::ServerContext>, true>> = {<std::default_delete<cb::sasl::server::ServerContext>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, cb::sasl::server::ServerContext*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}, yields = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, total_cpu_time = {__r = 2804948209}, min_sched_time = {__r = 198}, max_sched_time = {__r = 939}, dcpConnHandlerIface = {_M_b = {
              _M_p = 0x0}, static is_always_lock_free = <optimized out>}, bev = {_M_t = {<std::__uniq_ptr_impl<bufferevent, cb::libevent::BuffereventDeleter>> = {
                _M_t = {<std::_Tuple_impl<0, bufferevent*, cb::libevent::BuffereventDeleter>> = {<std::_Tuple_impl<1, cb::libevent::BuffereventDeleter>> = {<std::_Head_base<1, cb::libevent::BuffereventDeleter, true>> = {<cb::libevent::BuffereventDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, bufferevent*, false>> = {
                      _M_head_impl = 0x7f08529a8c00}, <No data fields>}, <No data fields>}}, <No data fields>}}, totalRecv = 24285, totalSend = 5332081, max_reqs_per_event = 20, numEvents = 20, socketDescriptor = 4, bucketIndex = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 1}, static is_always_lock_free = true}, pushed_clustermap = {epoch = 0, revno = 0}, parent_port = 11209, 
          connectedToSystemPort = true, internal = true, authenticated = true, nodelay = true, refcount = 1 '\001', priority = {static _S_min_alignment = 1, static _S_alignment = 1, _M_i = Medium, static is_always_lock_free = <optimized out>}, xerror_support = false, collections_support = false, duplex_support = false, cccp = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
          allow_unordered_execution = false, agentName = {_M_elems = "regular", '\000' <repeats 25 times>}, connectionId = {_M_elems = "127.0.0.1:60348", '\000' <repeats 18 times>}, state = Connection::running, dcpXattrAware = false, dcpDeletedUserXattr = false, dcpNoValue = false, tracingEnabled = false, dcpDeleteTimeEnabled = false, supports_mutation_extras = false, datatypeFilter = {
            enabled = {<std::__atomic_base<unsigned char>> = {static _S_alignment = 1, _M_i = 0 '\000'}, static is_always_lock_free = true}}, saslAuthEnabled = true, type = Connection::Normal, dcpFlowControlBufferSize = 0, ssl = false}
        ret = <optimized out>
#18 0x0000000000646171 in stat_all_stats(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, Cookie&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/protocol/mcbp/stats_context.cc:459
        ret = <optimized out>
        collector = {<StatCollector> = {_vptr.StatCollector = 0x0}, addStatFn = {<std::_Maybe_unary_or_binary_function<void, std::basic_string_view<char, std::char_traits<char> >, std::basic_string_view<char, std::char_traits<char> >, void const*>> = {<No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x0, _M_const_object = 0x0, 
                  _M_function_pointer = 0x0, _M_member_pointer = NULL}, _M_pod_data = "\000\000\000\000\000\000\000\000\030\000\000\000\000\000\000"}, _M_manager = 0x0}, _M_invoker = 0x7f0cf6e37830}, cookie = 0x6469f3 <StatsCommandContext::parseCommandKey()+115>}
#19 0x0000000000647143 in StatsCommandContext::doStats() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/protocol/mcbp/stats_context.cc:695
        handler_pair = {<std::__pair_base<command_stat_handler, bool>> = {<No data fields>}, first = {privileged = <optimized out>, bucket = <optimized out>, checkPrivilege = <optimized out>, handler = <optimized out>}, second = true}
#20 0x00000000006482a0 in StatsCommandContext::step() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/protocol/mcbp/stats_context.cc:617
        ret = cb::success
#21 0x000000000064c091 in SteppableCommandContext::drive() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/protocol/mcbp/steppable_command_context.cc:36
        ret = cb::success
#22 0x00000000005fb2ab in Cookie::doExecute() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/include/mcbp/protocol/header.h:110
        header = @0x7f0cf6e37830: {magic = 128 '\200', opcode = 16 '\020', keylen = 0, extlen = 0 '\000', datatype = 0 '\000', specific = 0, bodylen = 0, opaque = 0, cas = 0}
#23 0x00000000005fc650 in Cookie::execute (this=this@entry=0x7f08529a8980, useStartTime=useStartTime@entry=true) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/cookie.cc:168
        ts = <optimized out>
        done = <optimized out>
        te = {__d = {__r = 139673722324736}}
#24 0x00000000005dc201 in Connection::executeCommandPipeline() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/cookie.h:469
        drainSize = 24
        limit = <optimized out>
        status = <optimized out>
        input = 0x7f0cf6da8ce0
        stop = false
        maxActiveCommands = 32
        active = false
        maxSendQueueSize = 41943040
#25 0x00000000005dc493 in Connection::executeCommandsCallback() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/connection.cc:797
        start = <optimized out>
        ns = <optimized out>
#26 0x00000000005dcb1b in Connection::rw_callback(bufferevent*, void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/connection.cc:946
        instance = <optimized out>
        thread = <optimized out>
        phosphor_internal_category_enabled_941 = {_M_b = {_M_p = 0x7f0d195eb69c <phosphor::TraceLog::getInstance()::log_instance+8284>}, static is_always_lock_free = <optimized out>}
        phosphor_internal_category_enabled_temp_941 = <optimized out>
        phosphor_internal_tpi_wait_941 = {category = 0xca7ccb "mutex", name = 0xc4b138 "Connection::rw_callback::threadLock.wait", type = phosphor::Complete, argument_names = {_M_elems = {0xcc0111 "this", 0xca8762 ""}}, argument_types = {_M_elems = {phosphor::is_pointer, phosphor::is_none}}}
        phosphor_internal_tpi_held_941 = {category = 0xca7ccb "mutex", name = 0xc4b108 "Connection::rw_callback::threadLock.held", type = phosphor::Complete, argument_names = {_M_elems = {0xca8762 "", 0xca8762 ""}}, argument_types = {_M_elems = {phosphor::is_pointer, phosphor::is_none}}}
        phosphor_internal_guard_941 = {tpiWait = 0xc4b880 <Connection::rw_callback(bufferevent*, void*)::phosphor_internal_tpi_wait_941>, tpiHeld = 0xc4b840 <Connection::rw_callback(bufferevent*, void*)::phosphor_internal_tpi_held_941>, enabled = true, mutex = @0x7f0d13635470, threshold = {__r = 10000000}, start = {__d = {__r = 15123205055554656}}, lockedAt = {__d = {__r = 15123205055554827}}, releasedAt = {
            __d = {__r = 0}}}
#27 0x00007f0d18270d8e in bufferevent_run_deferred_callbacks_unlocked (cb=<optimized out>, arg=0x7f08529a8c00) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/bufferevent.c:208
        readcb = 0x5dc9f0 <Connection::rw_callback(bufferevent*, void*)>
        cbarg = 0x7f08529a8700
        bufev_private = 0x7f08529a8c00
        bufev = 0x7f08529a8c00
#28 0x00007f0d18279d01 in event_process_active_single_queue (base=base@entry=0x7f0d13512800, max_to_process=max_to_process@entry=2147483647, endtime=endtime@entry=0x0, activeq=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1726
        evcb_cbfinalize = <optimized out>
        ev = 0x0
        evcb = 0x7f08529a8da0
        count = 2
#29 0x00007f0d1827a54f in event_process_active (base=0x7f0d13512800) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1789
        activeq = <optimized out>
        i = 0
        c = 0
        tv = {tv_sec = 139693448325408, tv_usec = 139694195067875}
        maxcb = 2147483647
        endtime = 0x0
        limit_after_prio = 2147483647
#30 event_base_loop (base=0x7f0d13512800, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:2012
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#31 0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d13635220, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0cea5d6920, prev_ = 0x7f0cea5d6920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d13635220}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125884189708}}
        idleStart = {__d = {__r = 15123205054581871}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#32 0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d13635220) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#33 0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d13635220) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#34 0x00000000005abc79 in worker_libevent (arg=0x7f0d13635210) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d13635210: {thread_id = 139693448398592, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f397b0}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13635260, prev_ = 0x7f0d13635260}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13635270, prev_ = 0x7f0d13635270}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13635288, prev_ = 0x7f0d13635288}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 181, 
                static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693448398592}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f4af00}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f45d00}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 6.7021598375987918e-13, buffer_time_ = {__r = 46}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 6.7021598375987918e-13, buffer_time_ = {__r = 46}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 1206160, latestLoopCnt_ = 1206159, 
            startWork_ = {__d = {__r = 15123205054581811}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d136353d8 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13635418, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13635450, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 181, static tls_lastDeferredReaderSlot = 181, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f397c0}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 1, __count = 0, __owner = 35717, __nusers = 1, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = "\001\000\000\000\000\000\000\000\205\213\000\000\001", '\000' <repeats 26 times>, 
                __align = 1}}, <No data fields>}, index = 53, subdoc_op = {m_path = 0x7f0d1351ae00, m_jsn = 0x1ae9a00, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, 
              loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 1, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {
                  c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {_M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f4af40, _M_map_size = 8, _M_start = {
                            _M_cur = 0x7f0d12f4ce00, _M_first = 0x7f0d12f4ce00, _M_last = 0x7f0d12f4d000, _M_node = 0x7f0d12f4af58}, _M_finish = {_M_cur = 0x7f0d12f4ce00, _M_first = 0x7f0d12f4ce00, _M_last = 0x7f0d12f4d000, _M_node = 0x7f0d12f4af58}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, 
          scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, 
              static nxMoveCtor = <optimized out>, datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#35 0x0000000000b86049 in run (this=0x7f0d13570df0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#36 platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#37 0x00007f0d18faeea5 in start_thread (arg=0x7f0cea5e8700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cea5e8700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693448398592, -4771262700614340274, 0, 8392704, 0, 139693448398592, 4886622614145970510, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#38 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 212 (Thread 0x7f0ce9de7700 (LWP 35718)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d13512b00, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5cc20
        events = 0x7f0d1351e600
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d13512b00, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d13635df0, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0ce9dd5920, prev_ = 0x7f0ce9dd5920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d13635df0}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125884326202}}
        idleStart = {__d = {__r = 15123519875515821}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d13635df0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d13635df0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d13635de0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d13635de0: {thread_id = 139693440005888, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f39800}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13635e30, prev_ = 0x7f0d13635e30}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13635e40, prev_ = 0x7f0d13635e40}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13635e58, prev_ = 0x7f0d13635e58}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 198, 
                static tls_lastDeferredReaderSlot = 198, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693440005888}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f4af80}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f45e00}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 9.5832086178996168e-141, buffer_time_ = {__r = 1735809}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 9.5832086178996168e-141, buffer_time_ = {__r = 1735809}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 2471588, latestLoopCnt_ = 2471587, 
            startWork_ = {__d = {__r = 15123519875515679}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13635fa8 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13635fe8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13636020, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 198, static tls_lastDeferredReaderSlot = 198, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f39810}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 54, subdoc_op = {
            m_path = 0x7f0d1351b300, m_jsn = 0x1aea1e0, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f4afc0, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f56000, _M_first = 0x7f0d12f56000, _M_last = 0x7f0d12f56200, 
                            _M_node = 0x7f0d12f4afd8}, _M_finish = {_M_cur = 0x7f0d12f56001, _M_first = 0x7f0d12f56000, _M_last = 0x7f0d12f56200, _M_node = 0x7f0d12f4afd8}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {
            _M_elems = "\200]\000\000\004\000\000\000\000\000\000\004\342\001", '\000' <repeats 11 times>, "&\314\037\000\177 \244", '\000' <repeats 2015 times>}, shutdown_next_log = 0, new_conn_queue = {
            connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13570e20) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0ce9de7700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0ce9de7700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693440005888, -4771262700614340274, 0, 8392704, 0, 139693440005888, 4886619317221699918, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 211 (Thread 0x7f0ce95e6700 (LWP 35719)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d13512e00, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c180
        events = 0x7f0d1351e780
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d13512e00, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d136369c0, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0ce95d4920, prev_ = 0x7f0ce95d4920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d136369c0}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125884417920}}
        idleStart = {__d = {__r = 15123519875474313}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d136369c0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d136369c0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d136369b0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d136369b0: {thread_id = 139693431613184, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f39850}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13636a00, prev_ = 0x7f0d13636a00}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13636a10, prev_ = 0x7f0d13636a10}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13636a28, prev_ = 0x7f0d13636a28}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 180, 
                static tls_lastDeferredReaderSlot = 180, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693431613184}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f53000}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f45f00}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 1.9740912558701619e-141, buffer_time_ = {__r = 2574357}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 1.9740912558701619e-141, buffer_time_ = {__r = 2574357}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 14934441, latestLoopCnt_ = 14934440, 
            startWork_ = {__d = {__r = 15123519875474106}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13636b78 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13636bb8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13636bf0, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 180, static tls_lastDeferredReaderSlot = 180, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f39860}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 55, subdoc_op = {
            m_path = 0x7f0d1351b800, m_jsn = 0x1aea9c0, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f53040, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f56200, _M_first = 0x7f0d12f56200, _M_last = 0x7f0d12f56400, 
                            _M_node = 0x7f0d12f53058}, _M_finish = {_M_cur = 0x7f0d12f56201, _M_first = 0x7f0d12f56200, _M_last = 0x7f0d12f56400, _M_node = 0x7f0d12f53058}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {
            _M_elems = "\200\\\000\000\000\000\000\000\000\000\000\000Û\230", '\000' <repeats 12 times>, "\001", '\000' <repeats 2019 times>}, shutdown_next_log = 0, new_conn_queue = {
            connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13570e50) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0ce95e6700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0ce95e6700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693431613184, -4771262700614340274, 0, 8392704, 0, 139693431613184, 4886620416196456782, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 210 (Thread 0x7f0ce8de5700 (LWP 35720)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d13513100, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c220
        events = 0x7f0d1351e900
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d13513100, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d13637590, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0ce8dd3920, prev_ = 0x7f0ce8dd3920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d13637590}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125884550784}}
        idleStart = {__d = {__r = 15123519875478424}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d13637590) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d13637590) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d13637580) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d13637580: {thread_id = 139693423220480, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f398a0}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136375d0, prev_ = 0x7f0d136375d0}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136375e0, prev_ = 0x7f0d136375e0}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136375f8, prev_ = 0x7f0d136375f8}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 199, 
                static tls_lastDeferredReaderSlot = 199, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693423220480}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f53080}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f6f000}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 3.7723201967391031e-141, buffer_time_ = {__r = 2783828}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 3.7723201967391031e-141, buffer_time_ = {__r = 2783828}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 2423019, latestLoopCnt_ = 2423018, 
            startWork_ = {__d = {__r = 15123519875478301}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13637748 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13637788, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d136377c0, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 199, static tls_lastDeferredReaderSlot = 199, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f398b0}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 56, subdoc_op = {
            m_path = 0x7f0d1351bd00, m_jsn = 0x1aeb1a0, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f530c0, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f56400, _M_first = 0x7f0d12f56400, _M_last = 0x7f0d12f56600, 
                            _M_node = 0x7f0d12f530d8}, _M_finish = {_M_cur = 0x7f0d12f56401, _M_first = 0x7f0d12f56400, _M_last = 0x7f0d12f56600, _M_node = 0x7f0d12f530d8}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {
            _M_elems = "\200]\000\000\004\000\000\000\000\000\000\004\332\001", '\000' <repeats 12 times>, "\005\345\000}\265\363", '\000' <repeats 2015 times>}, shutdown_next_log = 0, new_conn_queue = {
            connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13570e80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0ce8de5700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0ce8de5700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693423220480, -4771262700614340274, 0, 8392704, 0, 139693423220480, 4886617114977218894, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 209 (Thread 0x7f0ce85e4700 (LWP 35721)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d13513400, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c340
        events = 0x7f0d1351ea80
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d13513400, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d13638160, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0ce85d2920, prev_ = 0x7f0ce85d2920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d13638160}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125884658233}}
        idleStart = {__d = {__r = 15123519875513078}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d13638160) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d13638160) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d13638150) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d13638150: {thread_id = 139693414827776, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f398f0}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136381a0, prev_ = 0x7f0d136381a0}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136381b0, prev_ = 0x7f0d136381b0}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136381c8, prev_ = 0x7f0d136381c8}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 142, 
                static tls_lastDeferredReaderSlot = 142, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693414827776}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f53100}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f6f100}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 2.279302811967965e-37, buffer_time_ = {__r = 1855011}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 2.279302811967965e-37, buffer_time_ = {__r = 1855011}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 6298049, latestLoopCnt_ = 6298048, 
            startWork_ = {__d = {__r = 15123519875512878}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13638318 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13638358, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13638390, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 142, static tls_lastDeferredReaderSlot = 142, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f39900}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 57, subdoc_op = {
            m_path = 0x7f0d1351c200, m_jsn = 0x1aeb980, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f53140, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f56600, _M_first = 0x7f0d12f56600, _M_last = 0x7f0d12f56800, 
                            _M_node = 0x7f0d12f53158}, _M_finish = {_M_cur = 0x7f0d12f56601, _M_first = 0x7f0d12f56600, _M_last = 0x7f0d12f56800, _M_node = 0x7f0d12f53158}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {
            _M_elems = "\200\\\000\000\000\000\000\000\000\000\000\000ϛ\230", '\000' <repeats 2032 times>}, shutdown_next_log = 0, new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, 
              static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13570eb0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0ce85e4700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0ce85e4700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693414827776, -4771262700614340274, 0, 8392704, 0, 139693414827776, 4886618213951975758, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 208 (Thread 0x7f0ce7de3700 (LWP 35722)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d13513700, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c8a0
        events = 0x7f0d1351ec00
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d13513700, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d13638d30, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0ce7dd1920, prev_ = 0x7f0ce7dd1920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d13638d30}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125884773421}}
        idleStart = {__d = {__r = 15123519875510653}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d13638d30) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d13638d30) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d13638d20) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d13638d20: {thread_id = 139693406435072, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f39940}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13638d70, prev_ = 0x7f0d13638d70}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13638d80, prev_ = 0x7f0d13638d80}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13638d98, prev_ = 0x7f0d13638d98}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 144, 
                static tls_lastDeferredReaderSlot = 144, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693406435072}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f53180}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f6f200}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 1.3530227550742877, buffer_time_ = {__r = 887826}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 1.3530227550742877, buffer_time_ = {__r = 887826}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 12310430, latestLoopCnt_ = 12310429, 
            startWork_ = {__d = {__r = 15123519875510452}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13638ee8 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13638f28, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13638f60, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 144, static tls_lastDeferredReaderSlot = 144, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f39950}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 58, subdoc_op = {
            m_path = 0x7f0d1351c700, m_jsn = 0x1aec160, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 1, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f531c0, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f56800, _M_first = 0x7f0d12f56800, _M_last = 0x7f0d12f56a00, 
                            _M_node = 0x7f0d12f531d8}, _M_finish = {_M_cur = 0x7f0d12f56800, _M_first = 0x7f0d12f56800, _M_last = 0x7f0d12f56a00, _M_node = 0x7f0d12f531d8}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {
            _M_elems = "\200\\\000\000\000\000\000\000\000\000\000\000ϛ\230", '\000' <repeats 12 times>, "\001", '\000' <repeats 2019 times>}, shutdown_next_log = 0, new_conn_queue = {
            connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13570ee0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0ce7de3700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0ce7de3700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693406435072, -4771262700614340274, 0, 8392704, 0, 139693406435072, 4886650101399793998, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 207 (Thread 0x7f0ce75e2700 (LWP 35723)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d13513a00, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c8c0
        events = 0x7f0d1351ed80
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d13513a00, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d13639900, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0ce75d0920, prev_ = 0x7f0ce75d0920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d13639900}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125884906707}}
        idleStart = {__d = {__r = 15123519875545745}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d13639900) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d13639900) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d136398f0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d136398f0: {thread_id = 139693398042368, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f39990}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13639940, prev_ = 0x7f0d13639940}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13639950, prev_ = 0x7f0d13639950}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13639968, prev_ = 0x7f0d13639968}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 253, 
                static tls_lastDeferredReaderSlot = 253, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693398042368}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f53200}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f6f300}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 2.2123322756306867, buffer_time_ = {__r = 997818}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 2.2123322756306867, buffer_time_ = {__r = 997818}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 6300981, latestLoopCnt_ = 6300980, 
            startWork_ = {__d = {__r = 15123519875545589}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13639ab8 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13639af8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13639b30, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 253, static tls_lastDeferredReaderSlot = 253, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f399a0}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 59, subdoc_op = {
            m_path = 0x7f0d1351cc00, m_jsn = 0x1aec940, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 1, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f53240, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f56a00, _M_first = 0x7f0d12f56a00, _M_last = 0x7f0d12f56c00, 
                            _M_node = 0x7f0d12f53258}, _M_finish = {_M_cur = 0x7f0d12f56a00, _M_first = 0x7f0d12f56a00, _M_last = 0x7f0d12f56c00, _M_node = 0x7f0d12f53258}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {
            _M_elems = "\200]\000\000\004\000\000\000\000\000\000\004\020\006", '\000' <repeats 12 times>, "\005\361\000~\033\301", '\000' <repeats 2015 times>}, shutdown_next_log = 0, new_conn_queue = {
            connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13570f10) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0ce75e2700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0ce75e2700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693398042368, -4771262700614340274, 0, 8392704, 0, 139693398042368, 4886651200374550862, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 206 (Thread 0x7f0ce6de1700 (LWP 35724)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d13513d00, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c8e0
        events = 0x7f0d1351ef00
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d13513d00, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d1363a4d0, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0ce6dcf920, prev_ = 0x7f0ce6dcf920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d1363a4d0}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125885017216}}
        idleStart = {__d = {__r = 15123519875589172}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d1363a4d0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d1363a4d0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d1363a4c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d1363a4c0: {thread_id = 139693389649664, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f399e0}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1363a510, prev_ = 0x7f0d1363a510}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1363a520, prev_ = 0x7f0d1363a520}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1363a538, prev_ = 0x7f0d1363a538}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 207, 
                static tls_lastDeferredReaderSlot = 207, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693389649664}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f53280}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f6f400}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 8.2537652033269621e-06, buffer_time_ = {__r = 2591000}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 8.2537652033269621e-06, buffer_time_ = {__r = 2591000}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 551208, latestLoopCnt_ = 551207, 
            startWork_ = {__d = {__r = 15123519875588960}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d1363a688 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1363a6c8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1363a700, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 207, static tls_lastDeferredReaderSlot = 207, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f399f0}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 60, subdoc_op = {
            m_path = 0x7f0d1351d100, m_jsn = 0x1aed120, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f532c0, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f56c00, _M_first = 0x7f0d12f56c00, _M_last = 0x7f0d12f56e00, 
                            _M_node = 0x7f0d12f532d8}, _M_finish = {_M_cur = 0x7f0d12f56c01, _M_first = 0x7f0d12f56c00, _M_last = 0x7f0d12f56e00, _M_node = 0x7f0d12f532d8}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {
            _M_elems = "\200]\000\000\004\000\000\000\000\000\000\004\234", '\000' <repeats 12 times>, "\240\002`\000~\351\243", '\000' <repeats 2015 times>}, shutdown_next_log = 0, new_conn_queue = {
            connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13570f40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0ce6de1700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0ce6de1700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693389649664, -4771262700614340274, 0, 8392704, 0, 139693389649664, 4886647916335182158, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 205 (Thread 0x7f0ce65e0700 (LWP 35725)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d13523000, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c900
        events = 0x7f0d1351f080
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d13523000, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d1363b0a0, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0ce65ce920, prev_ = 0x7f0ce65ce920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d1363b0a0}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125885152338}}
        idleStart = {__d = {__r = 15123519875564630}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d1363b0a0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d1363b0a0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d1363b090) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d1363b090: {thread_id = 139693381256960, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f39a30}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1363b0e0, prev_ = 0x7f0d1363b0e0}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1363b0f0, prev_ = 0x7f0d1363b0f0}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1363b108, prev_ = 0x7f0d1363b108}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 245, 
                static tls_lastDeferredReaderSlot = 245, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693381256960}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f53300}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f6f500}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 1.3075209165183947e-38, buffer_time_ = {__r = 1771735}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 1.3075209165183947e-38, buffer_time_ = {__r = 1771735}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 1075382, latestLoopCnt_ = 1075381, 
            startWork_ = {__d = {__r = 15123519875564482}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d1363b258 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1363b298, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1363b2d0, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 245, static tls_lastDeferredReaderSlot = 245, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f39a40}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 61, subdoc_op = {
            m_path = 0x7f0d1351d600, m_jsn = 0x1aed900, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f53340, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f56e00, _M_first = 0x7f0d12f56e00, _M_last = 0x7f0d12f57000, 
                            _M_node = 0x7f0d12f53358}, _M_finish = {_M_cur = 0x7f0d12f56e01, _M_first = 0x7f0d12f56e00, _M_last = 0x7f0d12f57000, _M_node = 0x7f0d12f53358}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {
            _M_elems = "\200\\\000\000\000\000\000\000\000\000\000\000\214\226\230", '\000' <repeats 2032 times>}, shutdown_next_log = 0, new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, 
              static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13570f70) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0ce65e0700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0ce65e0700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693381256960, -4771262700614340274, 0, 8392704, 0, 139693381256960, 4886649015309939022, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 204 (Thread 0x7f0ce5ddf700 (LWP 35726)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d13523300, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0d12f5c920
        events = 0x7f0d1351f200
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d13523300, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 48, tv_usec = 0}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d1363bc70, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0ce5dcd920, prev_ = 0x7f0ce5dcd920}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d1363bc70}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125885256826}}
        idleStart = {__d = {__r = 15123519875602716}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d1363bc70) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=this@entry=0x7f0d1363bc70) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x00000000005abc79 in worker_libevent (arg=0x7f0d1363bc60) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/thread.cc:115
        me = @0x7f0d1363bc60: {thread_id = 139693372864256, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f39a80}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1363bcb0, prev_ = 0x7f0d1363bcb0}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1363bcc0, prev_ = 0x7f0d1363bcc0}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d1363bcd8, prev_ = 0x7f0d1363bcd8}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 198, 
                static tls_lastDeferredReaderSlot = 198, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693372864256}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f53380}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f6f600}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 1.8667440497538822e-39, buffer_time_ = {__r = 1724769}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 1.8667440497538822e-39, buffer_time_ = {__r = 1724769}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 190497, latestLoopCnt_ = 190496, 
            startWork_ = {__d = {__r = 15123519875602608}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d1363be28 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1363be68, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d1363bea0, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 198, static tls_lastDeferredReaderSlot = 198, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f39a90}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, index = 62, subdoc_op = {
            m_path = 0x7f0d1351db00, m_jsn = 0x1aee0e0, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, 
                length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {
                      _M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f533c0, _M_map_size = 8, _M_start = {_M_cur = 0x7f0d12f8d000, _M_first = 0x7f0d12f8d000, _M_last = 0x7f0d12f8d200, 
                            _M_node = 0x7f0d12f533d8}, _M_finish = {_M_cur = 0x7f0d12f8d001, _M_first = 0x7f0d12f8d000, _M_last = 0x7f0d12f8d200, _M_node = 0x7f0d12f533d8}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, scratch_buffer = {
            _M_elems = "\200]\000\000\004\000\000\000\000\000\000\004i", '\000' <repeats 12 times>, "\240\b\272\000~\272\006", '\000' <repeats 2015 times>}, shutdown_next_log = 0, new_conn_queue = {
            connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
#7  0x0000000000b86049 in run (this=0x7f0d13570fa0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0ce5ddf700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0ce5ddf700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693372864256, -4771262700614340274, 0, 8392704, 0, 139693372864256, 4886645718385668430, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 203 (Thread 0x7f0ce41de700 (LWP 35727)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=3827090968, absSteadyTime=absSteadyTime@entry=0x7f0ce41cc5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c39c0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607751660}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c39c0, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0ce41cc618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c39c0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c39c0, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607751660}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c39c0, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c39c0}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -112 '\220', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf684fe90, tiny = {__data = "\220\376\204\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\217\213\000\000\000\000\000\000@\001\000\000\000\000\000\000\020\311\034\344\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123508024308828}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8b8f, tiny = {__data = "\217\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\311\034\344\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185691264}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d12f53500) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d12f53500: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d13573000, tiny = {__data = "\000\060W\023\r\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d12f53500) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0ce41cc9a0 "ReaderPool0"}, _M_string_length = 11, {_M_local_buf = "ReaderPool0\000\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d13573000, tiny = {__data = "\000\060W\023\r\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d12f53500: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d13573000, tiny = {__data = "\000\060W\023\r\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0ce41de700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0ce41de700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693343500032, -4771262700614340274, 0, 8392704, 0, 139693343500032, 4886645168092983630, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 202 (Thread 0x7f0ce39dd700 (LWP 35728)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=3818698264, absSteadyTime=absSteadyTime@entry=0x7f0ce39cb5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11ba0c0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607744754}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11ba0c0, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0ce39cb618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11ba0c0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11ba0c0, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607744754}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11ba0c0, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11ba0c0}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 0 '\000', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf684ff00, tiny = {__data = "\000\377\204\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\220\213\000\000\000\000\000\000H\001\000\000\000\000\000\000\020\271\234\343\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123483975871813}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8b90, tiny = {__data = "\220\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\271\234\343\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185725056}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d12f53600) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d12f53600: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d13573030, tiny = {__data = "00W\023\r\177\000\000\023\000\000\000\000\000\000\000\023", '\000' <repeats 15 times>, "enter node recov", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d12f53600) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0ce39cb9a0 "ReaderPool1"}, _M_string_length = 11, {_M_local_buf = "ReaderPool1\000\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d13573030, tiny = {__data = "00W\023\r\177\000\000\023\000\000\000\000\000\000\000\023", '\000' <repeats 15 times>, "enter node recov", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d12f53600: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d13573030, tiny = {__data = "00W\023\r\177\000\000\023\000\000\000\000\000\000\000\023", '\000' <repeats 15 times>, "enter node recov", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0ce39dd700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0ce39dd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693335107328, -4771262700614340274, 0, 8392704, 0, 139693335107328, 4886641866873745742, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 201 (Thread 0x7f0ce31dc700 (LWP 35729)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=3810305560, absSteadyTime=absSteadyTime@entry=0x7f0ce31ca5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11bcb80) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607809706}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11bcb80, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0ce31ca618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11bcb80) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11bcb80, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607809706}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11bcb80, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11bcb80}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -64 '\300', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf68515c0, tiny = {__data = "\300\025\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\221\213\000\000\000\000\000\000P\001\000\000\000\000\000\000\020\251\034\343\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123517028859728}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8b91, tiny = {__data = "\221\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\212^\362\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185762944}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d12f53640) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d12f53640: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d13573060, tiny = {__data = "`0W\023\r\177", '\000' <repeats 26 times>, "mandatory_fields", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d12f53640) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0ce31ca9a0 "ReaderPool2"}, _M_string_length = 11, {_M_local_buf = "ReaderPool2\000\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d13573060, tiny = {__data = "`0W\023\r\177", '\000' <repeats 26 times>, "mandatory_fields", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d12f53640: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d13573060, tiny = {__data = "`0W\023\r\177", '\000' <repeats 26 times>, "mandatory_fields", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0ce31dc700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0ce31dc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693326714624, -4771262700614340274, 0, 8392704, 0, 139693326714624, 4886642965848502606, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 200 (Thread 0x7f0ce11b6700 (LWP 35730)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=3776595480, absSteadyTime=absSteadyTime@entry=0x7f0ce11a45f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c7d70) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607825033}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c7d70, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0ce11a4618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c7d70) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c7d70, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607825033}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c7d70, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c7d70}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -48 '\320', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf68503d0, tiny = {__data = "\320\003\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\222\213\000\000\000\000\000\000X\001\000\000\000\000\000\000\020I\032\341\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518994190860}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8b92, tiny = {__data = "\222\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\252~\001\r\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185736704}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134f36c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134f36c0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d13573090, tiny = {__data = "\220\060W\023\r\177\000\000\000\067O\023\r\177\000\000\340\066O\023\r\177\000\000\t\000\000\000\000\000\000\000sessionid\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134f36c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0ce11a49a0 "ReaderPool3"}, _M_string_length = 11, {_M_local_buf = "ReaderPool3\000\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d13573090, tiny = {__data = "\220\060W\023\r\177\000\000\000\067O\023\r\177\000\000\340\066O\023\r\177\000\000\t\000\000\000\000\000\000\000sessionid\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134f36c0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d13573090, tiny = {__data = "\220\060W\023\r\177\000\000\000\067O\023\r\177\000\000\340\066O\023\r\177\000\000\t\000\000\000\000\000\000\000sessionid\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0ce11b6700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0ce11b6700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693293004544, -4771262700614340274, 0, 8392704, 0, 139693293004544, 4886638618267857230, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 199 (Thread 0x7f0ce09b5700 (LWP 35731)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=3768202776, absSteadyTime=absSteadyTime@entry=0x7f0ce09a35f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c4710) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607759490}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c4710, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0ce09a3618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c4710) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c4710, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607759490}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c4710, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c4710}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -128 '\200', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6851780, tiny = {__data = "\200\027\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\223\213\000\000\000\000\000\000`\001\000\000\000\000\000\000\020\071\232\340\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518993980218}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8b93, tiny = {__data = "\223\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000pz\336\361\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139681253474399}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134f3700) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134f3700: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135730c0, tiny = {__data = "\300\060W\023\r\177\000\000\260\066O\023\r\177", '\000' <repeats 19 times>, "\037K\023\r\177\000\000\034\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134f3700) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0ce09a39a0 "ReaderPool4"}, _M_string_length = 11, {_M_local_buf = "ReaderPool4\000\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135730c0, tiny = {__data = "\300\060W\023\r\177\000\000\260\066O\023\r\177", '\000' <repeats 19 times>, "\037K\023\r\177\000\000\034\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134f3700: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135730c0, tiny = {__data = "\300\060W\023\r\177\000\000\260\066O\023\r\177", '\000' <repeats 19 times>, "\037K\023\r\177\000\000\034\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0ce09b5700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0ce09b5700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693284611840, -4771262700614340274, 0, 8392704, 0, 139693284611840, 4886635317048619342, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 198 (Thread 0x7f0cd3fff700 (LWP 35732)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=3556693528, absSteadyTime=absSteadyTime@entry=0x7f0cd3fed5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11be2a8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607836345}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11be2a8, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0cd3fed618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11be2a8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11be2a8, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607836345}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11be2a8, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11be2a8}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -80 '\260', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf684fdb0, tiny = {__data = "\260\375\204\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\224\213\000\000\000\000\000\000h\001\000\000\000\000\000\000\020\331\376\323\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123517028393319}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8b94, tiny = {__data = "\224\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\312~\002\r\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185611136}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d12f53680) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d12f53680: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135730f0, tiny = {__data = "\360\060W\023\r\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d12f53680) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0cd3fed9a0 "ReaderPool5"}, _M_string_length = 11, {_M_local_buf = "ReaderPool5\000\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135730f0, tiny = {__data = "\360\060W\023\r\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d12f53680: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135730f0, tiny = {__data = "\360\060W\023\r\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0cd3fff700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cd3fff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693073102592, -4771262700614340274, 0, 8392704, 0, 139693073102592, 4886605878269030734, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 197 (Thread 0x7f0cd37fe700 (LWP 35733)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=3548300824, absSteadyTime=absSteadyTime@entry=0x7f0cd37ec5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11bd5a0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607763818}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11bd5a0, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0cd37ec618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11bd5a0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11bd5a0, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607763818}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11bd5a0, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11bd5a0}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -80 '\260', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf68519b0, tiny = {__data = "\260\031\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\225\213\000\000\000\000\000\000p\001\000\000\000\000\000\000\020\311~\323\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518993955835}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8b95, tiny = {__data = "\225\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\272\376\001\r\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185736704}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134f3740) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134f3740: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d13573120, tiny = {__data = " 1W\023\r\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000hSO\023\r\177\000\000\000\000\000\000\000\000\000\000\240\067O\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134f3740) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0cd37ec9a0 "ReaderPool6"}, _M_string_length = 11, {_M_local_buf = "ReaderPool6\000\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d13573120, tiny = {__data = " 1W\023\r\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000hSO\023\r\177\000\000\000\000\000\000\000\000\000\000\240\067O\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134f3740: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d13573120, tiny = {__data = " 1W\023\r\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000hSO\023\r\177\000\000\000\000\000\000\000\000\000\000\240\067O\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0cd37fe700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cd37fe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693064709888, -4771262700614340274, 0, 8392704, 0, 139693064709888, 4886606977243787598, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 196 (Thread 0x7f0cd2ffd700 (LWP 35734)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=3539908120, absSteadyTime=absSteadyTime@entry=0x7f0cd2feb5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11bdf48) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607770901}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11bdf48, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0cd2feb618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11bdf48) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11bdf48, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607770901}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11bdf48, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11bdf48}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -96 '\240', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf68501a0, tiny = {__data = "\240\001\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\226\213\000\000\000\000\000\000x\001\000\000\000\000\000\000\020\271\376\322\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123508024059601}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8b96, tiny = {__data = "\226\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\252~\001\r\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139681253474399}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134f3780) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134f3780: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d13573150, tiny = {__data = "P1W\023\r\177\000\000ge", '\000' <repeats 30 times>, "P7O\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134f3780) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0cd2feb9a0 "ReaderPool7"}, _M_string_length = 11, {_M_local_buf = "ReaderPool7\000\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d13573150, tiny = {__data = "P1W\023\r\177\000\000ge", '\000' <repeats 30 times>, "P7O\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134f3780: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d13573150, tiny = {__data = "P1W\023\r\177\000\000ge", '\000' <repeats 30 times>, "P7O\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0cd2ffd700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cd2ffd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693056317184, -4771262700614340274, 0, 8392704, 0, 139693056317184, 4886603676024549710, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 195 (Thread 0x7f0cd27fc700 (LWP 35735)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=3531515416, absSteadyTime=absSteadyTime@entry=0x7f0cd27ea5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c1248) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607775091}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c1248, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0cd27ea618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c1248) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c1248, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607775091}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c1248, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c1248}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -16 '\360', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf68502f0, tiny = {__data = "\360\002\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\227\213\000\000\000\000\000\000\200\001\000\000\000\000\000\000\020\251~\322\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123513016664771}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8b97, tiny = {__data = "\227\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000pz\336\361\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185595520}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134f37c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134f37c0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac380, tiny = {__data = "\200\303Z\023\r\177\000\000\004\000\000\000\000\000\000\000size", '\000' <repeats 27 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134f37c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0cd27ea9a0 "ReaderPool8"}, _M_string_length = 11, {_M_local_buf = "ReaderPool8\000\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac380, tiny = {__data = "\200\303Z\023\r\177\000\000\004\000\000\000\000\000\000\000size", '\000' <repeats 27 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134f37c0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac380, tiny = {__data = "\200\303Z\023\r\177\000\000\004\000\000\000\000\000\000\000size", '\000' <repeats 27 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0cd27fc700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cd27fc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693047924480, -4771262700614340274, 0, 8392704, 0, 139693047924480, 4886604774999306574, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 194 (Thread 0x7f0cd1ffb700 (LWP 35736)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=3523122712, absSteadyTime=absSteadyTime@entry=0x7f0cd1fe95f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11bd018) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607788577}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11bd018, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0cd1fe9618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11bd018) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11bd018, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607788577}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11bd018, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11bd018}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -80 '\260', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf68512b0, tiny = {__data = "\260\022\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\230\213\000\000\000\000\000\000\210\001\000\000\000\000\000\000\020\231\376\321\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518994184487}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8b98, tiny = {__data = "\230\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000pj^\361\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185736704}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134f3800) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134f3800: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac3b0, tiny = {__data = "\260\303Z\023\r\177\000\000\000\000\000\000\000\000\000\000 8O\023\r\177\000\000\004\000\000\000\000\000\000\000sync", '\000' <repeats 11 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134f3800) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0cd1fe99a0 "ReaderPool9"}, _M_string_length = 11, {_M_local_buf = "ReaderPool9\000\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac3b0, tiny = {__data = "\260\303Z\023\r\177\000\000\000\000\000\000\000\000\000\000 8O\023\r\177\000\000\004\000\000\000\000\000\000\000sync", '\000' <repeats 11 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134f3800: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac3b0, tiny = {__data = "\260\303Z\023\r\177\000\000\000\000\000\000\000\000\000\000 8O\023\r\177\000\000\004\000\000\000\000\000\000\000sync", '\000' <repeats 11 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0cd1ffb700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cd1ffb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693039531776, -4771262700614340274, 0, 8392704, 0, 139693039531776, 4886601478075035982, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 193 (Thread 0x7f0cd17fa700 (LWP 35737)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=3514730008, absSteadyTime=absSteadyTime@entry=0x7f0cd17e85f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11bc0b8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607841657}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11bc0b8, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0cd17e8618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11bc0b8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11bc0b8, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607841657}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11bc0b8, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11bc0b8}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -32 '\340', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf684ffe0, tiny = {__data = "\340\377\204\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\231\213\000\000\000\000\000\000\220\001\000\000\000\000\000\000\020\211~\321\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123513971034419}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8b99, tiny = {__data = "\231\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000pZ\336\360\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139681253474399}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134f3840) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134f3840: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac3e0, tiny = {__data = "\340\303Z\023\r\177\000\000\220\070O\023\r\177", '\000' <repeats 18 times>, "p8O\023\r\177\000\000\v\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134f3840) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0cd17e89a0 "ReaderPool10"}, _M_string_length = 12, {_M_local_buf = "ReaderPool10\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac3e0, tiny = {__data = "\340\303Z\023\r\177\000\000\220\070O\023\r\177", '\000' <repeats 18 times>, "p8O\023\r\177\000\000\v\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134f3840: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac3e0, tiny = {__data = "\340\303Z\023\r\177\000\000\220\070O\023\r\177", '\000' <repeats 18 times>, "p8O\023\r\177\000\000\v\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0cd17fa700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cd17fa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693031139072, -4771262700614340274, 0, 8392704, 0, 139693031139072, 4886602577049792846, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 192 (Thread 0x7f0cd0ff9700 (LWP 35738)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=3506337304, absSteadyTime=absSteadyTime@entry=0x7f0cd0fe75f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11cb580) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607849272}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11cb580, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0cd0fe7618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11cb580) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11cb580, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607849272}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11cb580, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11cb580}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -80 '\260', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf684fdb0, tiny = {__data = "\260\375\204\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\232\213\000\000\000\000\000\000\230\001\000\000\000\000\000\000\020y\376\320\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123517029514594}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8b9a, tiny = {__data = "\232\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000pJ^\360\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185831936}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134f3880) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134f3880: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac410, tiny = {__data = "\020\304Z\023\r\177", '\000' <repeats 18 times>, "\060\071O\023\r\177\000\000@8O\023\r\177\000\000\340\070O\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134f3880) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0cd0fe79a0 "ReaderPool11"}, _M_string_length = 12, {_M_local_buf = "ReaderPool11\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac410, tiny = {__data = "\020\304Z\023\r\177", '\000' <repeats 18 times>, "\060\071O\023\r\177\000\000@8O\023\r\177\000\000\340\070O\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134f3880: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac410, tiny = {__data = "\020\304Z\023\r\177", '\000' <repeats 18 times>, "\060\071O\023\r\177\000\000@8O\023\r\177\000\000\340\070O\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0cd0ff9700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cd0ff9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139693022746368, -4771262700614340274, 0, 8392704, 0, 139693022746368, 4886599275830554958, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 191 (Thread 0x7f0caffff700 (LWP 35739)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2952713752, absSteadyTime=absSteadyTime@entry=0x7f0caffed5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11b8cc8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607795739}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11b8cc8, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0caffed618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11b8cc8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11b8cc8, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607795739}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11b8cc8, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11b8cc8}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 32 ' ', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6850c20, tiny = {__data = " \f\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\233\213\000\000\000\000\000\000\240\001\000\000\000\000\000\000\020\331\376\257\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123512996486129}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8b9b, tiny = {__data = "\233\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p*^\357\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185857920}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134fc8c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134fc8c0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac440, tiny = {__data = "@\304Z\023\r\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\200\310O\023\r\177\000\000\000\000\000\000\000\000\000\000P\313O\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134fc8c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0caffed9a0 "ReaderPool12"}, _M_string_length = 12, {_M_local_buf = "ReaderPool12\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac440, tiny = {__data = "@\304Z\023\r\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\200\310O\023\r\177\000\000\000\000\000\000\000\000\000\000P\313O\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134fc8c0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac440, tiny = {__data = "@\304Z\023\r\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\200\310O\023\r\177\000\000\000\000\000\000\000\000\000\000P\313O\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0caffff700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0caffff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139692469122816, -4771262700614340274, 0, 8392704, 0, 139692469122816, 4886491529059742030, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 190 (Thread 0x7f0caf7fe700 (LWP 35740)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2944321048, absSteadyTime=absSteadyTime@entry=0x7f0caf7ec5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11b7a08) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607812048}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11b7a08, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0caf7ec618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11b7a08) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11b7a08, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607812048}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11b7a08, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11b7a08}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -80 '\260', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6850bb0, tiny = {__data = "\260\v\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\234\213\000\000\000\000\000\000\250\001\000\000\000\000\000\000\020\311~\257\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123505029734972}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8b9c, tiny = {__data = "\234\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\032\336\356\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185597952}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134fc900) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134fc900: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac470, tiny = {__data = "p\304Z\023\r\177\000\000_fields", '\000' <repeats 17 times>, "\001\000\000\000\000\000\000\000p\311O\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134fc900) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0caf7ec9a0 "ReaderPool13"}, _M_string_length = 12, {_M_local_buf = "ReaderPool13\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac470, tiny = {__data = "p\304Z\023\r\177\000\000_fields", '\000' <repeats 17 times>, "\001\000\000\000\000\000\000\000p\311O\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134fc900: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac470, tiny = {__data = "p\304Z\023\r\177\000\000_fields", '\000' <repeats 17 times>, "\001\000\000\000\000\000\000\000p\311O\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0caf7fe700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0caf7fe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139692460730112, -4771262700614340274, 0, 8392704, 0, 139692460730112, 4886492628034498894, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 189 (Thread 0x7f0caeffd700 (LWP 35741)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2935928344, absSteadyTime=absSteadyTime@entry=0x7f0caefeb5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c1728) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607815881}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c1728, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0caefeb618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c1728) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c1728, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607815881}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c1728, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c1728}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -16 '\360', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf68502f0, tiny = {__data = "\360\002\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\235\213\000\000\000\000\000\000\260\001\000\000\000\000\000\000\020\271\376\256\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123508024471857}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8b9d, tiny = {__data = "\235\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\n^\356\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185691264}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134fc940) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134fc940: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac4a0, tiny = {__data = "\240\304Z\023\r\177\000\000\016\000\000\000\000\000\000\000auditd_enabled", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134fc940) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0caefeb9a0 "ReaderPool14"}, _M_string_length = 12, {_M_local_buf = "ReaderPool14\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac4a0, tiny = {__data = "\240\304Z\023\r\177\000\000\016\000\000\000\000\000\000\000auditd_enabled", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134fc940: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac4a0, tiny = {__data = "\240\304Z\023\r\177\000\000\016\000\000\000\000\000\000\000auditd_enabled", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0caeffd700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0caeffd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139692452337408, -4771262700614340274, 0, 8392704, 0, 139692452337408, 4886489326815261006, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 188 (Thread 0x7f0cae7fc700 (LWP 35742)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2927535640, absSteadyTime=absSteadyTime@entry=0x7f0cae7ea5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c3480) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607870756}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c3480, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0cae7ea618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c3480) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c3480, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607870756}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c3480, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c3480}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -112 '\220', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6851a90, tiny = {__data = "\220\032\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\236\213\000\000\000\000\000\000\270\001\000\000\000\000\000\000\020\251~\256\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123510982179884}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8b9e, tiny = {__data = "\236\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\372\335\355\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185623424}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134fc980) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134fc980: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac4d0, tiny = {__data = "\320\304Z\023\r\177\000\000\020\312O\023\r\177\000\000\240\311O\023\r\177\000\000\b\000\000\000\000\000\000\000disabled\000\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134fc980) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0cae7ea9a0 "ReaderPool15"}, _M_string_length = 12, {_M_local_buf = "ReaderPool15\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac4d0, tiny = {__data = "\320\304Z\023\r\177\000\000\020\312O\023\r\177\000\000\240\311O\023\r\177\000\000\b\000\000\000\000\000\000\000disabled\000\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134fc980: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac4d0, tiny = {__data = "\320\304Z\023\r\177\000\000\020\312O\023\r\177\000\000\240\311O\023\r\177\000\000\b\000\000\000\000\000\000\000disabled\000\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0cae7fc700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cae7fc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139692443944704, -4771262700614340274, 0, 8392704, 0, 139692443944704, 4886490425790017870, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 187 (Thread 0x7f0cadffb700 (LWP 35743)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2919142936, absSteadyTime=absSteadyTime@entry=0x7f0cadfe95f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c63f0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607909761}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c63f0, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0cadfe9618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c63f0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c63f0, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607909761}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c63f0, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c63f0}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 32 ' ', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6851a20, tiny = {__data = " \032\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\237\213\000\000\000\000\000\000\300\001\000\000\000\000\000\000\020\231\376\255\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123483976072164}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8b9f, tiny = {__data = "\237\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\372\335\355\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185683584}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134fc9c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134fc9c0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac500, tiny = {__data = "\000\305Z\023\r\177\000\000\020\312O\023\r\177", '\000' <repeats 18 times>, "\340W\364\022\r\177\000\000\020\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134fc9c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0cadfe99a0 "ReaderPool16"}, _M_string_length = 12, {_M_local_buf = "ReaderPool16\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac500, tiny = {__data = "\000\305Z\023\r\177\000\000\020\312O\023\r\177", '\000' <repeats 18 times>, "\340W\364\022\r\177\000\000\020\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134fc9c0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac500, tiny = {__data = "\000\305Z\023\r\177\000\000\020\312O\023\r\177", '\000' <repeats 18 times>, "\340W\364\022\r\177\000\000\020\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0cadffb700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cadffb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139692435552000, -4771262700614340274, 0, 8392704, 0, 139692435552000, 4886487128865747278, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 186 (Thread 0x7f0cad7fa700 (LWP 35744)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2910750232, absSteadyTime=absSteadyTime@entry=0x7f0cad7e85f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11be7a0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607830765}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11be7a0, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0cad7e8618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11be7a0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11be7a0, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607830765}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11be7a0, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11be7a0}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 64 '@', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6851940, tiny = {__data = "@\031\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\240\213\000\000\000\000\000\000\310\001\000\000\000\000\000\000\020\211~\255\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123500975209896}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8ba0, tiny = {__data = "\240\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\232\376\b\r\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185448576}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134fca00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134fca00: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac530, tiny = {__data = "0\305Z\023\r\177", '\000' <repeats 18 times>, "p\311O\023\r\177\000\000\300\311O\023\r\177\000\000\260\312O\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134fca00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0cad7e89a0 "ReaderPool17"}, _M_string_length = 12, {_M_local_buf = "ReaderPool17\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac530, tiny = {__data = "0\305Z\023\r\177", '\000' <repeats 18 times>, "p\311O\023\r\177\000\000\300\311O\023\r\177\000\000\260\312O\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134fca00: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac530, tiny = {__data = "0\305Z\023\r\177", '\000' <repeats 18 times>, "p\311O\023\r\177\000\000\300\311O\023\r\177\000\000\260\312O\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0cad7fa700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cad7fa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139692427159296, -4771262700614340274, 0, 8392704, 0, 139692427159296, 4886488227840504142, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 185 (Thread 0x7f0cacff9700 (LWP 35745)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2902357528, absSteadyTime=absSteadyTime@entry=0x7f0cacfe75f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c92d0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607826937}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c92d0, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0cacfe7618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c92d0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c92d0, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607826937}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c92d0, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c92d0}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 80 'P', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6850e50, tiny = {__data = "P\016\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\241\213\000\000\000\000\000\000\320\001\000\000\000\000\000\000\020y\376\254\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123512996543603}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8ba1, tiny = {__data = "\241\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\312~\n\r\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185857920}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134fca40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134fca40: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac560, tiny = {__data = "`\305Z\023\r\177", '\000' <repeats 34 times>, "\260\312O\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134fca40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0cacfe79a0 "ReaderPool18"}, _M_string_length = 12, {_M_local_buf = "ReaderPool18\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac560, tiny = {__data = "`\305Z\023\r\177", '\000' <repeats 34 times>, "\260\312O\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134fca40: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac560, tiny = {__data = "`\305Z\023\r\177", '\000' <repeats 34 times>, "\260\312O\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0cacff9700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0cacff9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139692418766592, -4771262700614340274, 0, 8392704, 0, 139692418766592, 4886484926621266254, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 184 (Thread 0x7f0c8ffff700 (LWP 35746)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2415842840, absSteadyTime=absSteadyTime@entry=0x7f0c8ffed5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11bd3a8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607926678}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11bd3a8, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c8ffed618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11bd3a8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11bd3a8, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607926678}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11bd3a8, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11bd3a8}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 48 '0', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6850f30, tiny = {__data = "0\017\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\242\213\000\000\000\000\000\000\330\001\000\000\000\000\000\000\020\331\376\217\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518964470799}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8ba2, tiny = {__data = "\242\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\272\376\001\r\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185674880}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134fca80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134fca80: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac590, tiny = {__data = "\220\305Z\023\r\177\000\000\b\000\000\000\000\000\000\000log_path", '\000' <repeats 23 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134fca80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c8ffed9a0 "ReaderPool19"}, _M_string_length = 12, {_M_local_buf = "ReaderPool19\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac590, tiny = {__data = "\220\305Z\023\r\177\000\000\b\000\000\000\000\000\000\000log_path", '\000' <repeats 23 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134fca80: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac590, tiny = {__data = "\220\305Z\023\r\177\000\000\b\000\000\000\000\000\000\000log_path", '\000' <repeats 23 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c8ffff700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c8ffff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139691932251904, -4771262700614340274, 0, 8392704, 0, 139691932251904, 4886421160315564366, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 183 (Thread 0x7f0c8f7fe700 (LWP 35747)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2407450136, absSteadyTime=absSteadyTime@entry=0x7f0c8f7ec5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c7020) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607837295}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c7020, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c8f7ec618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c7020) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c7020, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607837295}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c7020, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c7020}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -16 '\360', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf68517f0, tiny = {__data = "\360\027\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\243\213\000\000\000\000\000\000\340\001\000\000\000\000\000\000\020\311~\217\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518994056672}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8ba3, tiny = {__data = "\243\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\252~\001\r\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185736704}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134fcac0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134fcac0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac5c0, tiny = {__data = "\300\305Z\023\r\177\000\000\000\313O\023\r\177\000\000\340\312O\023\r\177\000\000\017\000\000\000\000\000\000\000rotate_interval", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134fcac0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c8f7ec9a0 "ReaderPool20"}, _M_string_length = 12, {_M_local_buf = "ReaderPool20\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac5c0, tiny = {__data = "\300\305Z\023\r\177\000\000\000\313O\023\r\177\000\000\340\312O\023\r\177\000\000\017\000\000\000\000\000\000\000rotate_interval", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134fcac0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac5c0, tiny = {__data = "\300\305Z\023\r\177\000\000\000\313O\023\r\177\000\000\340\312O\023\r\177\000\000\017\000\000\000\000\000\000\000rotate_interval", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c8f7fe700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c8f7fe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139691923859200, -4771262700614340274, 0, 8392704, 0, 139691923859200, 4886422259290321230, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 182 (Thread 0x7f0c8effd700 (LWP 35748)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2399057432, absSteadyTime=absSteadyTime@entry=0x7f0c8efeb5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11bb950) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607949856}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11bb950, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c8efeb618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11bb950) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11bb950, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607949856}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11bb950, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11bb950}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -48 '\320', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf68503d0, tiny = {__data = "\320\003\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\244\213\000\000\000\000\000\000\350\001\000\000\000\000\000\000\020\271\376\216\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123500975223786}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8ba4, tiny = {__data = "\244\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\272\376\321\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185448576}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134fcb00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134fcb00: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac5f0, tiny = {__data = "\360\305Z\023\r\177\000\000\260\312O\023\r\177", '\000' <repeats 18 times>, "\060\313O\023\r\177\000\000\v\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134fcb00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c8efeb9a0 "ReaderPool21"}, _M_string_length = 12, {_M_local_buf = "ReaderPool21\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac5f0, tiny = {__data = "\360\305Z\023\r\177\000\000\260\312O\023\r\177", '\000' <repeats 18 times>, "\060\313O\023\r\177\000\000\v\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134fcb00: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac5f0, tiny = {__data = "\360\305Z\023\r\177\000\000\260\312O\023\r\177", '\000' <repeats 18 times>, "\060\313O\023\r\177\000\000\v\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c8effd700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c8effd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139691915466496, -4771262700614340274, 0, 8392704, 0, 139691915466496, 4886418958071083342, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 181 (Thread 0x7f0c8e7fc700 (LWP 35749)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2390664728, absSteadyTime=absSteadyTime@entry=0x7f0c8e7ea5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11b9310) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607968867}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11b9310, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c8e7ea618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11b9310) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11b9310, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607968867}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11b9310, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11b9310}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -32 '\340', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf68514e0, tiny = {__data = "\340\024\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\245\213\000\000\000\000\000\000\360\001\000\000\000\000\000\000\020\251~\216\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518993926402}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8ba5, tiny = {__data = "\245\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\252~\321\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185736704}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134fcb40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134fcb40: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac620, tiny = {__data = " \306Z\023\r\177", '\000' <repeats 18 times>, "\320\310O\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134fcb40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c8e7ea9a0 "ReaderPool22"}, _M_string_length = 12, {_M_local_buf = "ReaderPool22\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac620, tiny = {__data = " \306Z\023\r\177", '\000' <repeats 18 times>, "\320\310O\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134fcb40: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac620, tiny = {__data = " \306Z\023\r\177", '\000' <repeats 18 times>, "\320\310O\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c8e7fc700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c8e7fc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139691907073792, -4771262700614340274, 0, 8392704, 0, 139691907073792, 4886420057045840206, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 180 (Thread 0x7f0c8dffb700 (LWP 35750)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2382272024, absSteadyTime=absSteadyTime@entry=0x7f0c8dfe95f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c1920) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607956113}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c1920, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c8dfe9618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c1920) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c1920, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607956113}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c1920, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c1920}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 48 '0', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6850130, tiny = {__data = "0\001\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\246\213\000\000\000\000\000\000\370\001\000\000\000\000\000\000\020\231\376\215\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123517028190558}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8ba6, tiny = {__data = "\246\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\232\376\320\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185611136}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134fcb80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134fcb80: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac650, tiny = {__data = "P\306Z\023\r\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\360\313O\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134fcb80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c8dfe99a0 "ReaderPool23"}, _M_string_length = 12, {_M_local_buf = "ReaderPool23\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac650, tiny = {__data = "P\306Z\023\r\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\360\313O\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134fcb80: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac650, tiny = {__data = "P\306Z\023\r\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\360\313O\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c8dffb700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c8dffb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139691898681088, -4771262700614340274, 0, 8392704, 0, 139691898681088, 4886416760121569614, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 179 (Thread 0x7f0c8d7fa700 (LWP 35751)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2373879320, absSteadyTime=absSteadyTime@entry=0x7f0c8d7e85f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11b99e8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607964555}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11b99e8, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c8d7e8618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11b99e8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11b99e8, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607964555}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11b99e8, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11b99e8}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -80 '\260', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf68519b0, tiny = {__data = "\260\031\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\247\213\000\000\000\000\000\000\000\002\000\000\000\000\000\000\020\211~\215\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123509943093386}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8ba7, tiny = {__data = "\247\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000pJ^\360\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185513344}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134fcbc0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134fcbc0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac680, tiny = {__data = "\200\306Z\023\r\177\000\000\v\000\000\000\000\000\000\000description", '\000' <repeats 20 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134fcbc0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c8d7e89a0 "ReaderPool24"}, _M_string_length = 12, {_M_local_buf = "ReaderPool24\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac680, tiny = {__data = "\200\306Z\023\r\177\000\000\v\000\000\000\000\000\000\000description", '\000' <repeats 20 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134fcbc0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac680, tiny = {__data = "\200\306Z\023\r\177\000\000\v\000\000\000\000\000\000\000description", '\000' <repeats 20 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c8d7fa700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c8d7fa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139691890288384, -4771262700614340274, 0, 8392704, 0, 139691890288384, 4886417859096326478, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 178 (Thread 0x7f0c8cff9700 (LWP 35752)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2365486616, absSteadyTime=absSteadyTime@entry=0x7f0c8cfe75f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c5d90) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607960021}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c5d90, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c8cfe7618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c5d90) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c5d90, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607960021}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c5d90, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c5d90}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 32 ' ', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6850520, tiny = {__data = " \005\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\250\213\000\000\000\000\000\000\b\002\000\000\000\000\000\000\020y\376\214\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518993881228}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8ba8, tiny = {__data = "\250\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\372\376\257\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185736704}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134fcc00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134fcc00: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac6b0, tiny = {__data = "\260\306Z\023\r\177\000\000@\314O\023\r\177\000\000 \314O\023\r\177\000\000\a\000\000\000\000\000\000\000enabled\000\000\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134fcc00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c8cfe79a0 "ReaderPool25"}, _M_string_length = 12, {_M_local_buf = "ReaderPool25\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac6b0, tiny = {__data = "\260\306Z\023\r\177\000\000@\314O\023\r\177\000\000 \314O\023\r\177\000\000\a\000\000\000\000\000\000\000enabled\000\000\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134fcc00: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac6b0, tiny = {__data = "\260\306Z\023\r\177\000\000@\314O\023\r\177\000\000 \314O\023\r\177\000\000\a\000\000\000\000\000\000\000enabled\000\000\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c8cff9700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c8cff9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139691881895680, -4771262700614340274, 0, 8392704, 0, 139691881895680, 4886414557877088590, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 177 (Thread 0x7f0c6ffff700 (LWP 35753)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1878971928, absSteadyTime=absSteadyTime@entry=0x7f0c6ffed5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c9c78) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607934390}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c9c78, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c6ffed618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c9c78) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c9c78, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607934390}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c9c78, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c9c78}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -64 '\300', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf68515c0, tiny = {__data = "\300\025\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\251\213\000\000\000\000\000\000\020\002\000\000\000\000\000\000\020\331\376o\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518993996982}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8ba9, tiny = {__data = "\251\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\372\334\345\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185736704}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134fcc40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134fcc40: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac6e0, tiny = {__data = "\340\306Z\023\r\177\000\000\360\313O\023\r\177", '\000' <repeats 18 times>, "\200X\364\022\r\177\000\000\023\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134fcc40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c6ffed9a0 "ReaderPool26"}, _M_string_length = 12, {_M_local_buf = "ReaderPool26\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac6e0, tiny = {__data = "\340\306Z\023\r\177\000\000\360\313O\023\r\177", '\000' <repeats 18 times>, "\200X\364\022\r\177\000\000\023\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134fcc40: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac6e0, tiny = {__data = "\340\306Z\023\r\177\000\000\360\313O\023\r\177", '\000' <repeats 18 times>, "\200X\364\022\r\177\000\000\023\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c6ffff700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c6ffff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139691395380992, -4771262700614340274, 0, 8392704, 0, 139691395380992, 4886913741524808014, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 176 (Thread 0x7f0c6f7fe700 (LWP 35754)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1870579224, absSteadyTime=absSteadyTime@entry=0x7f0c6f7ec5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c4410) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607911478}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c4410, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c6f7ec618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c4410) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c4410, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607911478}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c4410, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c4410}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 32 ' ', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6850520, tiny = {__data = " \005\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\252\213\000\000\000\000\000\000\030\002\000\000\000\000\000\000\020\311~o\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123512053698317}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8baa, tiny = {__data = "\252\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\372\376o\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185490816}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134fcc80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134fcc80: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac710, tiny = {__data = "\020\307Z\023\r\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\070eO\023\r\177\000\000\360\313O\023\r\177\000\000\240\320O\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134fcc80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c6f7ec9a0 "ReaderPool27"}, _M_string_length = 12, {_M_local_buf = "ReaderPool27\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac710, tiny = {__data = "\020\307Z\023\r\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\070eO\023\r\177\000\000\360\313O\023\r\177\000\000\240\320O\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134fcc80: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac710, tiny = {__data = "\020\307Z\023\r\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\070eO\023\r\177\000\000\360\313O\023\r\177\000\000\240\320O\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c6f7fe700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c6f7fe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139691386988288, -4771262700614340274, 0, 8392704, 0, 139691386988288, 4886914840499564878, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 175 (Thread 0x7f0c6effd700 (LWP 35755)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1862186520, absSteadyTime=absSteadyTime@entry=0x7f0c6efeb5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c4a58) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607898084}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c4a58, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c6efeb618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c4a58) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c4a58, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607898084}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c4a58, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c4a58}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -128 '\200', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6850980, tiny = {__data = "\200\t\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\253\213\000\000\000\000\000\000 \002\000\000\000\000\000\000\020\271\376n\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123517028318114}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bab, tiny = {__data = "\253\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\332\376\216\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185611136}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134fccc0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134fccc0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac740, tiny = {__data = "@\307Z\023\r\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\240\320O\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134fccc0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c6efeb9a0 "ReaderPool28"}, _M_string_length = 12, {_M_local_buf = "ReaderPool28\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac740, tiny = {__data = "@\307Z\023\r\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\240\320O\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134fccc0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac740, tiny = {__data = "@\307Z\023\r\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\240\320O\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c6effd700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c6effd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139691378595584, -4771262700614340274, 0, 8392704, 0, 139691378595584, 4886911539280326990, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 174 (Thread 0x7f0c6e7fc700 (LWP 35756)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1853793816, absSteadyTime=absSteadyTime@entry=0x7f0c6e7ea5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11ba330) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607904213}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11ba330, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c6e7ea618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11ba330) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11ba330, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607904213}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11ba330, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11ba330}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -32 '\340', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf68514e0, tiny = {__data = "\340\024\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\254\213\000\000\000\000\000\000(\002\000\000\000\000\000\000\020\251~n\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518994206004}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bac, tiny = {__data = "\254\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\332\376\n\r\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185736704}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134fcd00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134fcd00: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac770, tiny = {__data = "p\307Z\023\r\177\000\000\020\000\000\000\000\000\000\000\020", '\000' <repeats 30 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134fcd00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c6e7ea9a0 "ReaderPool29"}, _M_string_length = 12, {_M_local_buf = "ReaderPool29\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac770, tiny = {__data = "p\307Z\023\r\177\000\000\020\000\000\000\000\000\000\000\020", '\000' <repeats 30 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134fcd00: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac770, tiny = {__data = "p\307Z\023\r\177\000\000\020\000\000\000\000\000\000\000\020", '\000' <repeats 30 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c6e7fc700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c6e7fc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139691370202880, -4771262700614340274, 0, 8392704, 0, 139691370202880, 4886912638255083854, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 173 (Thread 0x7f0c6dffb700 (LWP 35757)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1845401112, absSteadyTime=absSteadyTime@entry=0x7f0c6dfe95f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11ccac8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607885656}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11ccac8, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c6dfe9618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11ccac8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11ccac8, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607885656}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11ccac8, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11ccac8}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -32 '\340', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf68514e0, tiny = {__data = "\340\024\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\255\213\000\000\000\000\000\000\060\002\000\000\000\000\000\000\020\231\376m\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518947100077}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bad, tiny = {__data = "\255\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\352~\003\r\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185545088}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134fcd40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134fcd40: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac7a0, tiny = {__data = "\240\307Z\023\r\177\000\000\000\000\000\000\000\000\000\000`\315O\023\r\177\000\000\005\000\000\000\000\000\000\000local\000\000\000\000\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134fcd40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c6dfe99a0 "ReaderPool30"}, _M_string_length = 12, {_M_local_buf = "ReaderPool30\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac7a0, tiny = {__data = "\240\307Z\023\r\177\000\000\000\000\000\000\000\000\000\000`\315O\023\r\177\000\000\005\000\000\000\000\000\000\000local\000\000\000\000\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134fcd40: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac7a0, tiny = {__data = "\240\307Z\023\r\177\000\000\000\000\000\000\000\000\000\000`\315O\023\r\177\000\000\005\000\000\000\000\000\000\000local\000\000\000\000\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c6dffb700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c6dffb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139691361810176, -4771262700614340274, 0, 8392704, 0, 139691361810176, 4886909341330813262, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 172 (Thread 0x7f0c6d7fa700 (LWP 35758)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1837008408, absSteadyTime=absSteadyTime@entry=0x7f0c6d7e85f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11babd0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607891725}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11babd0, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c6d7e8618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11babd0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11babd0, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607891725}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11babd0, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11babd0}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 64 '@', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6850440, tiny = {__data = "@\004\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\256\213\000\000\000\000\000\000\070\002\000\000\000\000\000\000\020\211~m\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123517028416289}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bae, tiny = {__data = "\256\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\252~\t\r\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185611136}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134fcd80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134fcd80: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac7d0, tiny = {__data = "\320\307Z\023\r\177\000\000\310eO\023\r\177\000\000\000\000\000\000\000\000\000\000\320\315O\023\r\177\000\000\260\315O\023\r\177\000\000\002\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134fcd80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c6d7e89a0 "ReaderPool31"}, _M_string_length = 12, {_M_local_buf = "ReaderPool31\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac7d0, tiny = {__data = "\320\307Z\023\r\177\000\000\310eO\023\r\177\000\000\000\000\000\000\000\000\000\000\320\315O\023\r\177\000\000\260\315O\023\r\177\000\000\002\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134fcd80: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac7d0, tiny = {__data = "\320\307Z\023\r\177\000\000\310eO\023\r\177\000\000\000\000\000\000\000\000\000\000\320\315O\023\r\177\000\000\260\315O\023\r\177\000\000\002\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c6d7fa700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c6d7fa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139691353417472, -4771262700614340274, 0, 8392704, 0, 139691353417472, 4886910440305570126, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 171 (Thread 0x7f0c6cff9700 (LWP 35759)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1828615704, absSteadyTime=absSteadyTime@entry=0x7f0c6cfe75f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c6a38) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607984066}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c6a38, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c6cfe7618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c6a38) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c6a38, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607984066}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c6a38, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c6a38}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -32 '\340', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf68506e0, tiny = {__data = "\340\006\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\257\213\000\000\000\000\000\000@\002\000\000\000\000\000\000\020y\376l\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123508972302002}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8baf, tiny = {__data = "\257\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\312~\002\r\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185507200}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134fcdc0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134fcdc0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac800, tiny = {__data = "\000\310Z\023\r\177", '\000' <repeats 18 times>, "\200\315O\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134fcdc0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c6cfe79a0 "ReaderPool32"}, _M_string_length = 12, {_M_local_buf = "ReaderPool32\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac800, tiny = {__data = "\000\310Z\023\r\177", '\000' <repeats 18 times>, "\200\315O\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134fcdc0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d135ac800, tiny = {__data = "\000\310Z\023\r\177", '\000' <repeats 18 times>, "\200\315O\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c6cff9700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c6cff9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139691345024768, -4771262700614340274, 0, 8392704, 0, 139691345024768, 4886907139086332238, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 170 (Thread 0x7f0c4ffff700 (LWP 35760)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1342101016, absSteadyTime=absSteadyTime@entry=0x7f0c4ffed5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c6570) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607980023}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c6570, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c4ffed618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c6570) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c6570, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607980023}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c6570, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c6570}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 48 '0', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6850830, tiny = {__data = "0\b\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\260\213\000\000\000\000\000\000H\002\000\000\000\000\000\000\020\331\376O\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123512982766323}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bb0, tiny = {__data = "\260\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\331\376O\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185581184}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134fce00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134fce00: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbcf0, tiny = {__data = "\360\274o\023\r\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\230eO\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134fce00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c4ffed9a0 "ReaderPool33"}, _M_string_length = 12, {_M_local_buf = "ReaderPool33\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbcf0, tiny = {__data = "\360\274o\023\r\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\230eO\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134fce00: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbcf0, tiny = {__data = "\360\274o\023\r\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\230eO\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c4ffff700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c4ffff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139690858510080, -4771262700614340274, 0, 8392704, 0, 139690858510080, 4886843372780630350, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 169 (Thread 0x7f0c4f7fe700 (LWP 35761)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1333708312, absSteadyTime=absSteadyTime@entry=0x7f0c4f7ec5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c34b0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607914156}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c34b0, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c4f7ec618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c34b0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c34b0, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607914156}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c34b0, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c34b0}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 48 '0', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6850130, tiny = {__data = "0\001\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\261\213\000\000\000\000\000\000P\002\000\000\000\000\000\000\020\311~O\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123512053899712}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bb1, tiny = {__data = "\261\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\311~O\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185490816}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134fce40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134fce40: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbd20, tiny = {__data = " \275o\023\r\177\000\000\v\000\000\000\000\000\000\000real_userid", '\000' <repeats 20 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134fce40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c4f7ec9a0 "ReaderPool34"}, _M_string_length = 12, {_M_local_buf = "ReaderPool34\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbd20, tiny = {__data = " \275o\023\r\177\000\000\v\000\000\000\000\000\000\000real_userid", '\000' <repeats 20 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134fce40: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbd20, tiny = {__data = " \275o\023\r\177\000\000\v\000\000\000\000\000\000\000real_userid", '\000' <repeats 20 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c4f7fe700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c4f7fe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139690850117376, -4771262700614340274, 0, 8392704, 0, 139690850117376, 4886844471755387214, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 168 (Thread 0x7f0c4effd700 (LWP 35762)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1325315608, absSteadyTime=absSteadyTime@entry=0x7f0c4efeb5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11b9970) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607944588}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11b9970, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c4efeb618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11b9970) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11b9970, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607944588}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11b9970, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11b9970}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 16 '\020', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6850210, tiny = {__data = "\020\002\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\262\213\000\000\000\000\000\000X\002\000\000\000\000\000\000\020\271\376N\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123483976045658}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bb2, tiny = {__data = "\262\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\271\376N\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185683584}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134fce80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134fce80: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbd50, tiny = {__data = "P\275o\023\r\177\000\000\300\316O\023\r\177\000\000\240\316O\023\r\177\000\000\006\000\000\000\000\000\000\000source\000\000\000\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134fce80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c4efeb9a0 "ReaderPool35"}, _M_string_length = 12, {_M_local_buf = "ReaderPool35\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbd50, tiny = {__data = "P\275o\023\r\177\000\000\300\316O\023\r\177\000\000\240\316O\023\r\177\000\000\006\000\000\000\000\000\000\000source\000\000\000\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134fce80: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbd50, tiny = {__data = "P\275o\023\r\177\000\000\300\316O\023\r\177\000\000\240\316O\023\r\177\000\000\006\000\000\000\000\000\000\000source\000\000\000\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c4effd700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c4effd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139690841724672, -4771262700614340274, 0, 8392704, 0, 139690841724672, 4886841170536149326, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 167 (Thread 0x7f0c4e7fc700 (LWP 35763)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1316922904, absSteadyTime=absSteadyTime@entry=0x7f0c4e7ea5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11caff8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607926898}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11caff8, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c4e7ea618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11caff8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11caff8, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607926898}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11caff8, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11caff8}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -32 '\340', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf684ffe0, tiny = {__data = "\340\377\204\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\263\213\000\000\000\000\000\000`\002\000\000\000\000\000\000\020\251~N\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518947521598}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bb3, tiny = {__data = "\263\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\251~N\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185487232}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134fcec0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134fcec0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbd80, tiny = {__data = "\200\275o\023\r\177\000\000p\316O\023\r\177", '\000' <repeats 18 times>, "\360\316O\023\r\177\000\000\004\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134fcec0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c4e7ea9a0 "ReaderPool36"}, _M_string_length = 12, {_M_local_buf = "ReaderPool36\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbd80, tiny = {__data = "\200\275o\023\r\177\000\000p\316O\023\r\177", '\000' <repeats 18 times>, "\360\316O\023\r\177\000\000\004\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134fcec0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbd80, tiny = {__data = "\200\275o\023\r\177\000\000p\316O\023\r\177", '\000' <repeats 18 times>, "\360\316O\023\r\177\000\000\004\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c4e7fc700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c4e7fc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139690833331968, -4771262700614340274, 0, 8392704, 0, 139690833331968, 4886842269510906190, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 166 (Thread 0x7f0c4dffb700 (LWP 35764)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1308530200, absSteadyTime=absSteadyTime@entry=0x7f0c4dfe95f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11b8890) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608054539}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11b8890, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c4dfe9618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11b8890) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11b8890, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608054539}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11b8890, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11b8890}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -80 '\260', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf684fdb0, tiny = {__data = "\260\375\204\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\264\213\000\000\000\000\000\000h\002\000\000\000\000\000\000\020\231\376M\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518993984843}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bb4, tiny = {__data = "\264\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\231\376M\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185736704}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134fcf00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134fcf00: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbdb0, tiny = {__data = "\260\275o\023\r\177", '\000' <repeats 19 times>, "\320O\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134fcf00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c4dfe99a0 "ReaderPool37"}, _M_string_length = 12, {_M_local_buf = "ReaderPool37\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbdb0, tiny = {__data = "\260\275o\023\r\177", '\000' <repeats 19 times>, "\320O\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134fcf00: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbdb0, tiny = {__data = "\260\275o\023\r\177", '\000' <repeats 19 times>, "\320O\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c4dffb700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c4dffb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139690824939264, -4771262700614340274, 0, 8392704, 0, 139690824939264, 4886838972586635598, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 165 (Thread 0x7f0c4d7fa700 (LWP 35765)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1300137496, absSteadyTime=absSteadyTime@entry=0x7f0c4d7e85f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c00d8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607935081}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c00d8, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c4d7e8618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c00d8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c00d8, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607935081}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c00d8, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c00d8}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 112 'p', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6851470, tiny = {__data = "p\024\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\265\213\000\000\000\000\000\000p\002\000\000\000\000\000\000\020\211~M\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123483976030393}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bb5, tiny = {__data = "\265\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\211~M\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139681253474399}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134fcf40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134fcf40: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbde0, tiny = {__data = "\340\275o\023\r\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000(fO\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134fcf40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c4d7e89a0 "ReaderPool38"}, _M_string_length = 12, {_M_local_buf = "ReaderPool38\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbde0, tiny = {__data = "\340\275o\023\r\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000(fO\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134fcf40: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbde0, tiny = {__data = "\340\275o\023\r\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000(fO\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c4d7fa700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c4d7fa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139690816546560, -4771262700614340274, 0, 8392704, 0, 139690816546560, 4886840071561392462, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 164 (Thread 0x7f0c4cff9700 (LWP 35766)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1291744792, absSteadyTime=absSteadyTime@entry=0x7f0c4cfe75f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11ca7d0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607952859}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11ca7d0, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c4cfe7618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11ca7d0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11ca7d0, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607952859}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11ca7d0, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11ca7d0}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 112 'p', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6850670, tiny = {__data = "p\006\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\266\213\000\000\000\000\000\000x\002\000\000\000\000\000\000\020y\376L\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123513971238598}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bb6, tiny = {__data = "\266\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240y\376L\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185615616}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134fcf80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134fcf80: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbe10, tiny = {__data = "\020\276o\023\r\177\000\000\002\000\000\000\000\000\000\000ip", '\000' <repeats 29 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134fcf80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c4cfe79a0 "ReaderPool39"}, _M_string_length = 12, {_M_local_buf = "ReaderPool39\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbe10, tiny = {__data = "\020\276o\023\r\177\000\000\002\000\000\000\000\000\000\000ip", '\000' <repeats 29 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134fcf80: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbe10, tiny = {__data = "\020\276o\023\r\177\000\000\002\000\000\000\000\000\000\000ip", '\000' <repeats 29 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c4cff9700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c4cff9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139690808153856, -4771262700614340274, 0, 8392704, 0, 139690808153856, 4886836770342154574, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 163 (Thread 0x7f0c2ffff700 (LWP 35767)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=805230104, absSteadyTime=absSteadyTime@entry=0x7f0c2ffed5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c6150) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608050703}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c6150, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c2ffed618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c6150) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c6150, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608050703}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c6150, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c6150}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 64 '@', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6851240, tiny = {__data = "@\022\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\267\213\000\000\000\000\000\000\200\002\000\000\000\000\000\000\020\331\376/\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123512996450678}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bb7, tiny = {__data = "\267\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\331\376/\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185857920}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d134fcfc0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d134fcfc0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbe40, tiny = {__data = "@\276o\023\r\177\000\000\000\000\000\000\000\000\000\000\340\317O\023\r\177\000\000\004\000\000\000\000\000\000\000port", '\000' <repeats 11 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d134fcfc0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c2ffed9a0 "ReaderPool40"}, _M_string_length = 12, {_M_local_buf = "ReaderPool40\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbe40, tiny = {__data = "@\276o\023\r\177\000\000\000\000\000\000\000\000\000\000\340\317O\023\r\177\000\000\004\000\000\000\000\000\000\000port", '\000' <repeats 11 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d134fcfc0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbe40, tiny = {__data = "@\276o\023\r\177\000\000\000\000\000\000\000\000\000\000\340\317O\023\r\177\000\000\004\000\000\000\000\000\000\000port", '\000' <repeats 11 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c2ffff700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c2ffff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139690321639168, -4771262700614340274, 0, 8392704, 0, 139690321639168, 4886773004036452686, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 162 (Thread 0x7f0c2f7fe700 (LWP 35768)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=796837400, absSteadyTime=absSteadyTime@entry=0x7f0c2f7ec5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11cca08) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607991089}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11cca08, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c2f7ec618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11cca08) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11cca08, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607991089}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11cca08, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11cca08}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 0 '\000', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6850600, tiny = {__data = "\000\006\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\270\213\000\000\000\000\000\000\210\002\000\000\000\000\000\000\020\311~/\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518964434517}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bb8, tiny = {__data = "\270\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\311~/\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185674880}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13540000) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13540000: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbe70, tiny = {__data = "p\276o\023\r\177", '\000' <repeats 34 times>, "\300sT\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13540000) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c2f7ec9a0 "ReaderPool41"}, _M_string_length = 12, {_M_local_buf = "ReaderPool41\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbe70, tiny = {__data = "p\276o\023\r\177", '\000' <repeats 34 times>, "\300sT\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13540000: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbe70, tiny = {__data = "p\276o\023\r\177", '\000' <repeats 34 times>, "\300sT\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c2f7fe700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c2f7fe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139690313246464, -4771262700614340274, 0, 8392704, 0, 139690313246464, 4886774103011209550, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 161 (Thread 0x7f0c2effd700 (LWP 35769)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=788444696, absSteadyTime=absSteadyTime@entry=0x7f0c2efeb5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11bdbd0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607999325}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11bdbd0, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c2efeb618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11bdbd0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11bdbd0, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607999325}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11bdbd0, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11bdbd0}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -16 '\360', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf68510f0, tiny = {__data = "\360\020\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\271\213\000\000\000\000\000\000\220\002\000\000\000\000\000\000\020\271\376.\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123512982759867}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bb9, tiny = {__data = "\271\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\271\376.\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185581184}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13540040) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13540040: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbea0, tiny = {__data = "\240\276o\023\r\177\000\000\006\000\000\000\000\000\000\000events", '\000' <repeats 25 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13540040) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c2efeb9a0 "ReaderPool42"}, _M_string_length = 12, {_M_local_buf = "ReaderPool42\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbea0, tiny = {__data = "\240\276o\023\r\177\000\000\006\000\000\000\000\000\000\000events", '\000' <repeats 25 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13540040: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbea0, tiny = {__data = "\240\276o\023\r\177\000\000\006\000\000\000\000\000\000\000events", '\000' <repeats 25 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c2effd700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c2effd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139690304853760, -4771262700614340274, 0, 8392704, 0, 139690304853760, 4886770801791971662, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 160 (Thread 0x7f0c2e7fc700 (LWP 35770)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=780051992, absSteadyTime=absSteadyTime@entry=0x7f0c2e7ea5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11cc420) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607969271}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11cc420, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c2e7ea618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11cc420) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11cc420, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607969271}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11cc420, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11cc420}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 0 '\000', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6851b00, tiny = {__data = "\000\033\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\272\213\000\000\000\000\000\000\230\002\000\000\000\000\000\000\020\251~.\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123505029706636}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bba, tiny = {__data = "\272\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\251~.\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185597952}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13540080) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13540080: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbed0, tiny = {__data = "оo\023\r\177\000\000\000\000\000\000\000\000\000\000\240\000T\023\r\177\000\000\v\000\000\000\000\000\000\000description\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13540080) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c2e7ea9a0 "ReaderPool43"}, _M_string_length = 12, {_M_local_buf = "ReaderPool43\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbed0, tiny = {__data = "оo\023\r\177\000\000\000\000\000\000\000\000\000\000\240\000T\023\r\177\000\000\v\000\000\000\000\000\000\000description\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13540080: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbed0, tiny = {__data = "оo\023\r\177\000\000\000\000\000\000\000\000\000\000\240\000T\023\r\177\000\000\v\000\000\000\000\000\000\000description\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c2e7fc700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c2e7fc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139690296461056, -4771262700614340274, 0, 8392704, 0, 139690296461056, 4886771900766728526, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 159 (Thread 0x7f0c2dffb700 (LWP 35771)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=771659288, absSteadyTime=absSteadyTime@entry=0x7f0c2dfe95f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11cb808) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608028153}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11cb808, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c2dfe9618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11cb808) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11cb808, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608028153}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11cb808, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11cb808}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -80 '\260', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf68512b0, tiny = {__data = "\260\022\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\273\213\000\000\000\000\000\000\240\002\000\000\000\000\000\000\020\231\376-\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123513016614314}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bbb, tiny = {__data = "\273\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\231\376-\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185595520}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135400c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135400c0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbf00, tiny = {__data = "\000\277o\023\r\177\000\000`\001T\023\r\177\000\000p\000T\023\r\177\000\000\020\001T\023\r\177\000\000\360\000T\023\r\177\000\000\a\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135400c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c2dfe99a0 "ReaderPool44"}, _M_string_length = 12, {_M_local_buf = "ReaderPool44\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbf00, tiny = {__data = "\000\277o\023\r\177\000\000`\001T\023\r\177\000\000p\000T\023\r\177\000\000\020\001T\023\r\177\000\000\360\000T\023\r\177\000\000\a\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135400c0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbf00, tiny = {__data = "\000\277o\023\r\177\000\000`\001T\023\r\177\000\000p\000T\023\r\177\000\000\020\001T\023\r\177\000\000\360\000T\023\r\177\000\000\a\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c2dffb700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c2dffb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139690288068352, -4771262700614340274, 0, 8392704, 0, 139690288068352, 4886768603842457934, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 158 (Thread 0x7f0c2d7fa700 (LWP 35772)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=763266584, absSteadyTime=absSteadyTime@entry=0x7f0c2d7e85f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c81a8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607973689}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c81a8, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c2d7e8618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c81a8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c81a8, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607973689}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c81a8, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c81a8}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 112 'p', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6850d70, tiny = {__data = "p\r\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\274\213\000\000\000\000\000\000\250\002\000\000\000\000\000\000\020\211~-\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123517942355128}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bbc, tiny = {__data = "\274\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\211~-\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185732480}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13540100) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13540100: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbf30, tiny = {__data = "0\277o\023\r\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\300\000T\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13540100) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c2d7e89a0 "ReaderPool45"}, _M_string_length = 12, {_M_local_buf = "ReaderPool45\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbf30, tiny = {__data = "0\277o\023\r\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\300\000T\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13540100: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbf30, tiny = {__data = "0\277o\023\r\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\300\000T\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c2d7fa700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c2d7fa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139690279675648, -4771262700614340274, 0, 8392704, 0, 139690279675648, 4886769702817214798, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 157 (Thread 0x7f0c2cff9700 (LWP 35773)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=754873880, absSteadyTime=absSteadyTime@entry=0x7f0c2cfe75f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11bea28) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607985610}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11bea28, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c2cfe7618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11bea28) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11bea28, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607985610}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11bea28, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11bea28}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 32 ' ', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf684fe20, tiny = {__data = " \376\204\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\275\213\000\000\000\000\000\000\260\002\000\000\000\000\000\000\020y\376,\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518993981150}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bbd, tiny = {__data = "\275\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240y\376,\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139681253474399}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13540140) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13540140: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbf60, tiny = {__data = "`\277o\023\r\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\210WS\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13540140) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c2cfe79a0 "ReaderPool46"}, _M_string_length = 12, {_M_local_buf = "ReaderPool46\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbf60, tiny = {__data = "`\277o\023\r\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\210WS\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13540140: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbf60, tiny = {__data = "`\277o\023\r\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\210WS\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c2cff9700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c2cff9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139690271282944, -4771262700614340274, 0, 8392704, 0, 139690271282944, 4886766401597976910, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 156 (Thread 0x7f0c0ffff700 (LWP 35774)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=268359192, absSteadyTime=absSteadyTime@entry=0x7f0c0ffed5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11beb78) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608024785}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11beb78, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c0ffed618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11beb78) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11beb78, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608024785}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11beb78, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11beb78}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -96 '\240', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf68516a0, tiny = {__data = "\240\026\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\276\213\000\000\000\000\000\000\270\002\000\000\000\000\000\000\020\331\376\017\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123513971036695}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bbe, tiny = {__data = "\276\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\331\376\017\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185773696}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13540180) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13540180: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbf90, tiny = {__data = "\220\277o\023\r\177\000\000\002\000\000\000\000\000\000\000id", '\000' <repeats 29 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13540180) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c0ffed9a0 "ReaderPool47"}, _M_string_length = 12, {_M_local_buf = "ReaderPool47\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbf90, tiny = {__data = "\220\277o\023\r\177\000\000\002\000\000\000\000\000\000\000id", '\000' <repeats 29 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13540180: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbf90, tiny = {__data = "\220\277o\023\r\177\000\000\002\000\000\000\000\000\000\000id", '\000' <repeats 29 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c0ffff700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c0ffff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139689784768256, -4771262700614340274, 0, 8392704, 0, 139689784768256, 4886702635292275022, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 155 (Thread 0x7f0c0f7fe700 (LWP 35775)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=259966488, absSteadyTime=absSteadyTime@entry=0x7f0c0f7ec5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c2a30) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607987464}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c2a30, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c0f7ec618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c2a30) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c2a30, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607987464}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c2a30, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c2a30}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -80 '\260', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf68504b0, tiny = {__data = "\260\004\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\277\213\000\000\000\000\000\000\300\002\000\000\000\000\000\000\020\311~\017\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123504035710210}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bbf, tiny = {__data = "\277\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\311~\017\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185758976}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135401c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135401c0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbfc0, tiny = {__data = "\300\277o\023\r\177\000\000\000\000\000\000\000\000\000\000\300\t\365\022\r\177\000\000\020\000\000\000\000\000\000\000\020", '\000' <repeats 14 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135401c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c0f7ec9a0 "ReaderPool48"}, _M_string_length = 12, {_M_local_buf = "ReaderPool48\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbfc0, tiny = {__data = "\300\277o\023\r\177\000\000\000\000\000\000\000\000\000\000\300\t\365\022\r\177\000\000\020\000\000\000\000\000\000\000\020", '\000' <repeats 14 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135401c0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbfc0, tiny = {__data = "\300\277o\023\r\177\000\000\000\000\000\000\000\000\000\000\300\t\365\022\r\177\000\000\020\000\000\000\000\000\000\000\020", '\000' <repeats 14 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c0f7fe700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c0f7fe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139689776375552, -4771262700614340274, 0, 8392704, 0, 139689776375552, 4886703734267031886, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 154 (Thread 0x7f0c0effd700 (LWP 35776)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=251573784, absSteadyTime=absSteadyTime@entry=0x7f0c0efeb5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11cb538) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 607995664}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11cb538, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c0efeb618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11cb538) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11cb538, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762607995664}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11cb538, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11cb538}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -64 '\300', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf68500c0, tiny = {__data = "\300\000\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\300\213\000\000\000\000\000\000\310\002\000\000\000\000\000\000\020\271\376\016\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123517028346900}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bc0, tiny = {__data = "\300\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\271\376\016\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185611136}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13540200) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13540200: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbff0, tiny = {__data = "\360\277o\023\r\177\000\000\360\002T\023\r\177", '\000' <repeats 18 times>, "\060\002T\023\r\177\000\000\005\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13540200) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c0efeb9a0 "ReaderPool49"}, _M_string_length = 12, {_M_local_buf = "ReaderPool49\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbff0, tiny = {__data = "\360\277o\023\r\177\000\000\360\002T\023\r\177", '\000' <repeats 18 times>, "\060\002T\023\r\177\000\000\005\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13540200: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fbff0, tiny = {__data = "\360\277o\023\r\177\000\000\360\002T\023\r\177", '\000' <repeats 18 times>, "\060\002T\023\r\177\000\000\005\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c0effd700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c0effd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139689767982848, -4771262700614340274, 0, 8392704, 0, 139689767982848, 4886700433047793998, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 153 (Thread 0x7f0c0e7fc700 (LWP 35777)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=243181080, absSteadyTime=absSteadyTime@entry=0x7f0c0e7ea5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c3d80) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608062658}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c3d80, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c0e7ea618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c3d80) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c3d80, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608062658}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c3d80, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c3d80}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 112 'p', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6851b70, tiny = {__data = "p\033\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\301\213\000\000\000\000\000\000\320\002\000\000\000\000\000\000\020\251~\016\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518947160981}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bc1, tiny = {__data = "\301\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\251~\016\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185545088}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13540240) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13540240: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc020, tiny = {__data = " \300o\023\r\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\030XS\023\r\177\000\000\000\000\000\000\000\000\000\000\240\002T\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13540240) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c0e7ea9a0 "ReaderPool50"}, _M_string_length = 12, {_M_local_buf = "ReaderPool50\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc020, tiny = {__data = " \300o\023\r\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\030XS\023\r\177\000\000\000\000\000\000\000\000\000\000\240\002T\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13540240: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc020, tiny = {__data = " \300o\023\r\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\030XS\023\r\177\000\000\000\000\000\000\000\000\000\000\240\002T\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c0e7fc700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c0e7fc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139689759590144, -4771262700614340274, 0, 8392704, 0, 139689759590144, 4886701532022550862, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 152 (Thread 0x7f0c0dffb700 (LWP 35778)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=234788376, absSteadyTime=absSteadyTime@entry=0x7f0c0dfe95f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c6240) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608043262}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c6240, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c0dfe9618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c6240) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c6240, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608043262}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c6240, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c6240}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -96 '\240', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6850fa0, tiny = {__data = "\240\017\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\302\213\000\000\000\000\000\000\330\002\000\000\000\000\000\000\020\231\376\r\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518946967170}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bc2, tiny = {__data = "\302\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\231\376\r\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185545088}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13540280) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13540280: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc050, tiny = {__data = "P\300o\023\r\177", '\000' <repeats 34 times>, "P\002T\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13540280) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c0dfe99a0 "ReaderPool51"}, _M_string_length = 12, {_M_local_buf = "ReaderPool51\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc050, tiny = {__data = "P\300o\023\r\177", '\000' <repeats 34 times>, "P\002T\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13540280: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc050, tiny = {__data = "P\300o\023\r\177", '\000' <repeats 34 times>, "P\002T\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c0dffb700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c0dffb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139689751197440, -4771262700614340274, 0, 8392704, 0, 139689751197440, 4886698235098280270, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 151 (Thread 0x7f0c0d7fa700 (LWP 35779)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=226395672, absSteadyTime=absSteadyTime@entry=0x7f0c0d7e85f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c7668) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608082713}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c7668, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c0d7e8618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c7668) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c7668, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608082713}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c7668, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c7668}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -16 '\360', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf68517f0, tiny = {__data = "\360\027\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000Ë\000\000\000\000\000\000\340\002\000\000\000\000\000\000\020\211~\r\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518964448231}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bc3, tiny = {__data = "Ë\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\211~\r\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185674880}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135402c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135402c0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc080, tiny = {__data = "\200\300o\023\r\177\000\000\004\000\000\000\000\000\000\000port", '\000' <repeats 27 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135402c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c0d7e89a0 "ReaderPool52"}, _M_string_length = 12, {_M_local_buf = "ReaderPool52\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc080, tiny = {__data = "\200\300o\023\r\177\000\000\004\000\000\000\000\000\000\000port", '\000' <repeats 27 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135402c0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc080, tiny = {__data = "\200\300o\023\r\177\000\000\004\000\000\000\000\000\000\000port", '\000' <repeats 27 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c0d7fa700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c0d7fa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139689742804736, -4771262700614340274, 0, 8392704, 0, 139689742804736, 4886699334073037134, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 150 (Thread 0x7f0c0cff9700 (LWP 35780)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=218002968, absSteadyTime=absSteadyTime@entry=0x7f0c0cfe75f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c2fb8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608057721}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c2fb8, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0c0cfe7618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c2fb8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c2fb8, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608057721}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c2fb8, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c2fb8}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -64 '\300', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf68500c0, tiny = {__data = "\300\000\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000ċ\000\000\000\000\000\000\350\002\000\000\000\000\000\000\020y\376\f\f\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123483976015596}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bc4, tiny = {__data = "ċ\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240y\376\f\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185683584}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13540300) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13540300: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc0b0, tiny = {__data = "\260\300o\023\r\177\000\000\340\003T\023\r\177\000\000 \003T\023\r\177\000\000\006\000\000\000\000\000\000\000remote\000\000\000\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13540300) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0c0cfe79a0 "ReaderPool53"}, _M_string_length = 12, {_M_local_buf = "ReaderPool53\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc0b0, tiny = {__data = "\260\300o\023\r\177\000\000\340\003T\023\r\177\000\000 \003T\023\r\177\000\000\006\000\000\000\000\000\000\000remote\000\000\000\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13540300: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc0b0, tiny = {__data = "\260\300o\023\r\177\000\000\340\003T\023\r\177\000\000 \003T\023\r\177\000\000\006\000\000\000\000\000\000\000remote\000\000\000\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0c0cff9700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0c0cff9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139689734412032, -4771262700614340274, 0, 8392704, 0, 139689734412032, 4886696032853799246, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 149 (Thread 0x7f0beffff700 (LWP 35781)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=4026455576, absSteadyTime=absSteadyTime@entry=0x7f0beffed5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c45a8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608030017}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c45a8, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0beffed618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c45a8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c45a8, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608030017}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c45a8, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c45a8}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 16 '\020', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6851710, tiny = {__data = "\020\027\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000ŋ\000\000\000\000\000\000\360\002\000\000\000\000\000\000\020\331\376\357\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123505029982174}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bc5, tiny = {__data = "ŋ\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\332\375\372\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185617152}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13540340) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13540340: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc0e0, tiny = {__data = "\340\300o\023\r\177\000\000HXS\023\r\177\000\000\000\000\000\000\000\000\000\000\220\003T\023\r\177\000\000p\003T\023\r\177\000\000\002\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13540340) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0beffed9a0 "ReaderPool54"}, _M_string_length = 12, {_M_local_buf = "ReaderPool54\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc0e0, tiny = {__data = "\340\300o\023\r\177\000\000HXS\023\r\177\000\000\000\000\000\000\000\000\000\000\220\003T\023\r\177\000\000p\003T\023\r\177\000\000\002\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13540340: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc0e0, tiny = {__data = "\340\300o\023\r\177\000\000HXS\023\r\177\000\000\000\000\000\000\000\000\000\000\220\003T\023\r\177\000\000p\003T\023\r\177\000\000\002\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0beffff700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0beffff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139689247897344, -4771262700614340274, 0, 8392704, 0, 139689247897344, 4890572916222046542, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 148 (Thread 0x7f0bef7fe700 (LWP 35782)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=4018062872, absSteadyTime=absSteadyTime@entry=0x7f0bef7ec5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c46e0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608073166}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c46e0, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0bef7ec618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c46e0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c46e0, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608073166}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c46e0, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c46e0}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -96 '\240', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf68508a0, tiny = {__data = "\240\b\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000Ƌ\000\000\000\000\000\000\370\002\000\000\000\000\000\000\020\311~\357\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123517028805074}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bc6, tiny = {__data = "Ƌ\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\372\376\357\v\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185762944}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13540380) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13540380: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc110, tiny = {__data = "\020\301o\023\r\177", '\000' <repeats 18 times>, "@\003T\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13540380) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0bef7ec9a0 "ReaderPool55"}, _M_string_length = 12, {_M_local_buf = "ReaderPool55\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc110, tiny = {__data = "\020\301o\023\r\177", '\000' <repeats 18 times>, "@\003T\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13540380: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc110, tiny = {__data = "\020\301o\023\r\177", '\000' <repeats 18 times>, "@\003T\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0bef7fe700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0bef7fe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139689239504640, -4771262700614340274, 0, 8392704, 0, 139689239504640, 4890574015196803406, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 147 (Thread 0x7f0beeffd700 (LWP 35783)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=4009670168, absSteadyTime=absSteadyTime@entry=0x7f0beefeb5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11cb358) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608096010}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11cb358, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0beefeb618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11cb358) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11cb358, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608096010}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11cb358, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11cb358}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -80 '\260', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf684fdb0, tiny = {__data = "\260\375\204\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000Nj\000\000\000\000\000\000\000\003\000\000\000\000\000\000\020\271\376\356\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123505029717975}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bc7, tiny = {__data = "Nj\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\352~\357\v\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185597952}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135403c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135403c0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc140, tiny = {__data = "@\301o\023\r\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\360\002T\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135403c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0beefeb9a0 "ReaderPool56"}, _M_string_length = 12, {_M_local_buf = "ReaderPool56\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc140, tiny = {__data = "@\301o\023\r\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\360\002T\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135403c0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc140, tiny = {__data = "@\301o\023\r\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\360\002T\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0beeffd700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0beeffd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139689231111936, -4771262700614340274, 0, 8392704, 0, 139689231111936, 4890570713977565518, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 146 (Thread 0x7f0bee7fc700 (LWP 35784)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=4001277464, absSteadyTime=absSteadyTime@entry=0x7f0bee7ea5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11b7ee8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608080725}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11b7ee8, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0bee7ea618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11b7ee8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11b7ee8, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608080725}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11b7ee8, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11b7ee8}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -64 '\300', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf68515c0, tiny = {__data = "\300\025\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000ȋ\000\000\000\000\000\000\b\003\000\000\000\000\000\000\020\251~\356\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518994202183}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bc8, tiny = {__data = "ȋ\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\212}\370\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185736704}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13540400) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13540400: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc170, tiny = {__data = "p\301o\023\r\177\000\000\t\000\000\000\000\000\000\000timestamp", '\000' <repeats 22 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13540400) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0bee7ea9a0 "ReaderPool57"}, _M_string_length = 12, {_M_local_buf = "ReaderPool57\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc170, tiny = {__data = "p\301o\023\r\177\000\000\t\000\000\000\000\000\000\000timestamp", '\000' <repeats 22 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13540400: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc170, tiny = {__data = "p\301o\023\r\177\000\000\t\000\000\000\000\000\000\000timestamp", '\000' <repeats 22 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0bee7fc700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0bee7fc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139689222719232, -4771262700614340274, 0, 8392704, 0, 139689222719232, 4890571812952322382, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 145 (Thread 0x7f0bedffb700 (LWP 35785)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=3992884760, absSteadyTime=absSteadyTime@entry=0x7f0bedfe95f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c92e8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608085778}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c92e8, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0bedfe9618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c92e8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c92e8, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608085778}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c92e8, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c92e8}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -128 '\200', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6850980, tiny = {__data = "\200\t\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000ɋ\000\000\000\000\000\000\020\003\000\000\000\000\000\000\020\231\376\355\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518947270842}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bc9, tiny = {__data = "ɋ\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000pz\375\367\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185487232}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13540440) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13540440: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc1a0, tiny = {__data = "\240\301o\023\r\177\000\000\000\000\000\000\000\000\000\000`\004T\023\r\177\000\000\004\000\000\000\000\000\000\000user", '\000' <repeats 11 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13540440) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0bedfe99a0 "ReaderPool58"}, _M_string_length = 12, {_M_local_buf = "ReaderPool58\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc1a0, tiny = {__data = "\240\301o\023\r\177\000\000\000\000\000\000\000\000\000\000`\004T\023\r\177\000\000\004\000\000\000\000\000\000\000user", '\000' <repeats 11 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13540440: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc1a0, tiny = {__data = "\240\301o\023\r\177\000\000\000\000\000\000\000\000\000\000`\004T\023\r\177\000\000\004\000\000\000\000\000\000\000user", '\000' <repeats 11 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0bedffb700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0bedffb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139689214326528, -4771262700614340274, 0, 8392704, 0, 139689214326528, 4890568516028051790, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 144 (Thread 0x7f0bed7fa700 (LWP 35786)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=3984492056, absSteadyTime=absSteadyTime@entry=0x7f0bed7e85f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c4cf8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608092588}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c4cf8, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0bed7e8618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c4cf8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c4cf8, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608092588}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c4cf8, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c4cf8}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 0 '\000', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6851b00, tiny = {__data = "\000\033\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000ʋ\000\000\000\000\000\000\030\003\000\000\000\000\000\000\020\211~\355\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518992388574}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bca, tiny = {__data = "ʋ\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000pj}\367\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185675136}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13540480) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13540480: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc1d0, tiny = {__data = "\320\301o\023\r\177\000\000xXS\023\r\177\000\000\000\000\000\000\000\000\000\000\320\004T\023\r\177\000\000\260\004T\023\r\177\000\000\006\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13540480) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0bed7e89a0 "ReaderPool59"}, _M_string_length = 12, {_M_local_buf = "ReaderPool59\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc1d0, tiny = {__data = "\320\301o\023\r\177\000\000xXS\023\r\177\000\000\000\000\000\000\000\000\000\000\320\004T\023\r\177\000\000\260\004T\023\r\177\000\000\006\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13540480: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc1d0, tiny = {__data = "\320\301o\023\r\177\000\000xXS\023\r\177\000\000\000\000\000\000\000\000\000\000\320\004T\023\r\177\000\000\260\004T\023\r\177\000\000\006\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0bed7fa700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0bed7fa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139689205933824, -4771262700614340274, 0, 8392704, 0, 139689205933824, 4890569615002808654, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 143 (Thread 0x7f0becff9700 (LWP 35787)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=3976099352, absSteadyTime=absSteadyTime@entry=0x7f0becfe75f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c1d28) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608076851}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c1d28, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0becfe7618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c1d28) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c1d28, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608076851}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c1d28, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c1d28}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -80 '\260', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6850bb0, tiny = {__data = "\260\v\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000ˋ\000\000\000\000\000\000 \003\000\000\000\000\000\000\020y\376\354\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518947072844}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bcb, tiny = {__data = "ˋ\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\332\376n\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139681253474399}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135404c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135404c0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc200, tiny = {__data = "\000\302o\023\r\177", '\000' <repeats 18 times>, "\200\004T\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135404c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0becfe79a0 "ReaderPool60"}, _M_string_length = 12, {_M_local_buf = "ReaderPool60\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc200, tiny = {__data = "\000\302o\023\r\177", '\000' <repeats 18 times>, "\200\004T\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135404c0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc200, tiny = {__data = "\000\302o\023\r\177", '\000' <repeats 18 times>, "\200\004T\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0becff9700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0becff9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139689197541120, -4771262700614340274, 0, 8392704, 0, 139689197541120, 4890566313783570766, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 142 (Thread 0x7f0bcffff700 (LWP 35788)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=3489584664, absSteadyTime=absSteadyTime@entry=0x7f0bcffed5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11b9b20) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608099833}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11b9b20, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0bcffed618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11b9b20) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11b9b20, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608099833}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11b9b20, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11b9b20}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -128 '\200', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6850980, tiny = {__data = "\200\t\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\066\263[\000\000\000\000\000\270\330\376\317\v\177\000\000з^\031\r\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123512053956084}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x7f0cf68c6610, tiny = {__data = "\020f\214\366\f\177\000\000K\270\242", '\000' <repeats 13 times>, "\305\376=\031\r\177\000\000\000*_\023\r\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185490816}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13540500) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13540500: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc230, tiny = {__data = "0\302o\023\r\177", '\000' <repeats 34 times>, "`\001T\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13540500) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0bcffed9a0 "ReaderPool61"}, _M_string_length = 12, {_M_local_buf = "ReaderPool61\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc230, tiny = {__data = "0\302o\023\r\177", '\000' <repeats 34 times>, "`\001T\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13540500: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc230, tiny = {__data = "0\302o\023\r\177", '\000' <repeats 34 times>, "`\001T\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0bcffff700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0bcffff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139688711026432, -4771262700614340274, 0, 8392704, 0, 139688711026432, 4890502547477868878, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 141 (Thread 0x7f0bcf7fe700 (LWP 35789)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=3481191960, absSteadyTime=absSteadyTime@entry=0x7f0bcf7ec5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11cd950) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608089718}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11cd950, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0bcf7ec618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11cd950) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11cd950, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608089718}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11cd950, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11cd950}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 48 '0', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6850f30, tiny = {__data = "0\017\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000͋\000\000\000\000\000\000\020\002\000\000\000\000\000\000\020\311~\317\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518993975900}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bcd, tiny = {__data = "͋\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\311~\317\v\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139681253474399}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13540540) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13540540: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc260, tiny = {__data = "`\302o\023\r\177\000\000\004\000\000\000\000\000\000\000name", '\000' <repeats 27 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13540540) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0bcf7ec9a0 "ReaderPool62"}, _M_string_length = 12, {_M_local_buf = "ReaderPool62\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc260, tiny = {__data = "`\302o\023\r\177\000\000\004\000\000\000\000\000\000\000name", '\000' <repeats 27 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13540540: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc260, tiny = {__data = "`\302o\023\r\177\000\000\004\000\000\000\000\000\000\000name", '\000' <repeats 27 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0bcf7fe700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0bcf7fe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139688702633728, -4771262700614340274, 0, 8392704, 0, 139688702633728, 4890503646452625742, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 140 (Thread 0x7f0bceffd700 (LWP 35790)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=3472799256, absSteadyTime=absSteadyTime@entry=0x7f0bcefeb5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11cc3a8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608107829}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11cc3a8, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0bcefeb618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11cc3a8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11cc3a8, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608107829}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11cc3a8, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11cc3a8}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 96 '`', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6851860, tiny = {__data = "`\030\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\316\213\000\000\000\000\000\000\030\002\000\000\000\000\000\000\020\271\376\316\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123500975234733}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bce, tiny = {__data = "\316\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000pJ^\360\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185448576}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13540580) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13540580: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc290, tiny = {__data = "\220\302o\023\r\177\000\000\300\005T\023\r\177\000\000\240\005T\023\r\177\000\000\017\000\000\000\000\000\000\000optional_fields", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13540580) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0bcefeb9a0 "ReaderPool63"}, _M_string_length = 12, {_M_local_buf = "ReaderPool63\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc290, tiny = {__data = "\220\302o\023\r\177\000\000\300\005T\023\r\177\000\000\240\005T\023\r\177\000\000\017\000\000\000\000\000\000\000optional_fields", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13540580: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc290, tiny = {__data = "\220\302o\023\r\177\000\000\300\005T\023\r\177\000\000\240\005T\023\r\177\000\000\017\000\000\000\000\000\000\000optional_fields", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0bceffd700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0bceffd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139688694241024, -4771262700614340274, 0, 8392704, 0, 139688694241024, 4890500345233387854, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 139 (Thread 0x7f0bce7fc700 (LWP 35791)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=3464406552, absSteadyTime=absSteadyTime@entry=0x7f0bce7ea5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11b7348) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608102119}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11b7348, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0bce7ea618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11b7348) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11b7348, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608102119}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11b7348, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11b7348}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -64 '\300', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf68507c0, tiny = {__data = "\300\a\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000ϋ\000\000\000\000\000\000 \002\000\000\000\000\000\000\020\251~\316\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518992131710}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bcf, tiny = {__data = "ϋ\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\332\376\316\v\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139681253474399}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135405c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135405c0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc2c0, tiny = {__data = "\300\302o\023\r\177\000\000p\005T\023\r\177", '\000' <repeats 18 times>, "\360\005T\023\r\177\000\000\004\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135405c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0bce7ea9a0 "ReaderPool64"}, _M_string_length = 12, {_M_local_buf = "ReaderPool64\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc2c0, tiny = {__data = "\300\302o\023\r\177\000\000p\005T\023\r\177", '\000' <repeats 18 times>, "\360\005T\023\r\177\000\000\004\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135405c0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc2c0, tiny = {__data = "\300\302o\023\r\177\000\000p\005T\023\r\177", '\000' <repeats 18 times>, "\360\005T\023\r\177\000\000\004\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0bce7fc700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0bce7fc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139688685848320, -4771262700614340274, 0, 8392704, 0, 139688685848320, 4890501444208144718, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 138 (Thread 0x7f0bcdffb700 (LWP 35792)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=3456013848, absSteadyTime=absSteadyTime@entry=0x7f0bcdfe95f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c9a38) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608110681}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c9a38, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0bcdfe9618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c9a38) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c9a38, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608110681}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c9a38, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c9a38}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -96 '\240', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf68501a0, tiny = {__data = "\240\001\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000Ћ\000\000\000\000\000\000(\002\000\000\000\000\000\000\020\231\376\315\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518995267898}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bd0, tiny = {__data = "Ћ\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\312~\316\v\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13540600) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13540600: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc2f0, tiny = {__data = "\360\302o\023\r\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000`\006T\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13540600) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0bcdfe99a0 "ReaderPool65"}, _M_string_length = 12, {_M_local_buf = "ReaderPool65\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc2f0, tiny = {__data = "\360\302o\023\r\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000`\006T\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13540600: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc2f0, tiny = {__data = "\360\302o\023\r\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000`\006T\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0bcdffb700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0bcdffb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139688677455616, -4771262700614340274, 0, 8392704, 0, 139688677455616, 4890498147283874126, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 137 (Thread 0x7f0bcd7fa700 (LWP 35793)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=3447621144, absSteadyTime=absSteadyTime@entry=0x7f0bcd7e85f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c3618) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608116501}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c3618, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0bcd7e8618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c3618) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c3618, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608116501}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c3618, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c3618}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -128 '\200', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6850280, tiny = {__data = "\200\002\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000ы\000\000\000\000\000\000\060\002\000\000\000\000\000\000\020\211~\315\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123512996465352}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bd1, tiny = {__data = "ы\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\272\376\315\v\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185857920}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13540640) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13540640: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc320, tiny = {__data = " \303o\023\r\177\000\000ion", '\000' <repeats 30 times>, "\aT\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13540640) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0bcd7e89a0 "ReaderPool66"}, _M_string_length = 12, {_M_local_buf = "ReaderPool66\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc320, tiny = {__data = " \303o\023\r\177\000\000ion", '\000' <repeats 30 times>, "\aT\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13540640: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc320, tiny = {__data = " \303o\023\r\177\000\000ion", '\000' <repeats 30 times>, "\aT\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0bcd7fa700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0bcd7fa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139688669062912, -4771262700614340274, 0, 8392704, 0, 139688669062912, 4890499246258630990, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 136 (Thread 0x7f0bccff9700 (LWP 35794)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=3439228440, absSteadyTime=absSteadyTime@entry=0x7f0bccfe75f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11be740) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608118654}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11be740, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0bccfe7618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11be740) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11be740, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608118654}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11be740, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11be740}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 64 '@', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6851940, tiny = {__data = "@\031\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000ҋ\000\000\000\000\000\000\070\002\000\000\000\000\000\000\020y\376\314\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518947066753}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bd2, tiny = {__data = "ҋ\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\252~\315\v\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185545088}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13540680) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13540680: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc350, tiny = {__data = "P\303o\023\r\177\000\000\a\000\000\000\000\000\000\000enabled", '\000' <repeats 24 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13540680) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0bccfe79a0 "ReaderPool67"}, _M_string_length = 12, {_M_local_buf = "ReaderPool67\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc350, tiny = {__data = "P\303o\023\r\177\000\000\a\000\000\000\000\000\000\000enabled", '\000' <repeats 24 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13540680: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc350, tiny = {__data = "P\303o\023\r\177\000\000\a\000\000\000\000\000\000\000enabled", '\000' <repeats 24 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0bccff9700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0bccff9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139688660670208, -4771262700614340274, 0, 8392704, 0, 139688660670208, 4890495945039393102, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 135 (Thread 0x7f0baffff700 (LWP 35795)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2952713752, absSteadyTime=absSteadyTime@entry=0x7f0baffed5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11b8ef0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608122807}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11b8ef0, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0baffed618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11b8ef0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11b8ef0, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608122807}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11b8ef0, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11b8ef0}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -112 '\220', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6850c90, tiny = {__data = "\220\f\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000Ӌ\000\000\000\000\000\000@\002\000\000\000\000\000\000\020\331\376\257\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123512054085953}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bd3, tiny = {__data = "Ӌ\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\331\376\257\v\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135406c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135406c0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc380, tiny = {__data = "\200\303o\023\r\177", '\000' <repeats 11 times>, "\v\365\022\r\177\000\000\023\000\000\000\000\000\000\000\023", '\000' <repeats 14 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135406c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0baffed9a0 "ReaderPool68"}, _M_string_length = 12, {_M_local_buf = "ReaderPool68\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc380, tiny = {__data = "\200\303o\023\r\177", '\000' <repeats 11 times>, "\v\365\022\r\177\000\000\023\000\000\000\000\000\000\000\023", '\000' <repeats 14 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135406c0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc380, tiny = {__data = "\200\303o\023\r\177", '\000' <repeats 11 times>, "\v\365\022\r\177\000\000\023\000\000\000\000\000\000\000\023", '\000' <repeats 14 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0baffff700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0baffff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139688174155520, -4771262700614340274, 0, 8392704, 0, 139688174155520, 4890432178733691214, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 134 (Thread 0x7f0baf7fe700 (LWP 35796)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2944321048, absSteadyTime=absSteadyTime@entry=0x7f0baf7ec5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11bcc58) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608125836}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11bcc58, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0baf7ec618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11bcc58) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11bcc58, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608125836}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11bcc58, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11bcc58}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 96 '`', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6850a60, tiny = {__data = "`\n\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000ԋ\000\000\000\000\000\000H\002\000\000\000\000\000\000\020\311~\257\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518994022144}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bd4, tiny = {__data = "ԋ\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\311~\257\v\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185736704}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13540700) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13540700: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc3b0, tiny = {__data = "\260\303o\023\r\177\000\000\330XS\023\r\177\000\000`\006T\023\r\177\000\000\300\nT\023\r\177\000\000\060\aT\023\r\177\000\000\002\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13540700) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0baf7ec9a0 "ReaderPool69"}, _M_string_length = 12, {_M_local_buf = "ReaderPool69\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc3b0, tiny = {__data = "\260\303o\023\r\177\000\000\330XS\023\r\177\000\000`\006T\023\r\177\000\000\300\nT\023\r\177\000\000\060\aT\023\r\177\000\000\002\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13540700: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc3b0, tiny = {__data = "\260\303o\023\r\177\000\000\330XS\023\r\177\000\000`\006T\023\r\177\000\000\300\nT\023\r\177\000\000\060\aT\023\r\177\000\000\002\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0baf7fe700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0baf7fe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139688165762816, -4771262700614340274, 0, 8392704, 0, 139688165762816, 4890433277708448078, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 133 (Thread 0x7f0baeffd700 (LWP 35797)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2935928344, absSteadyTime=absSteadyTime@entry=0x7f0baefeb5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11bba28) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608148115}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11bba28, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0baefeb618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11bba28) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11bba28, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608148115}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11bba28, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11bba28}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 80 'P', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6850050, tiny = {__data = "P\000\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000Ջ\000\000\000\000\000\000P\002\000\000\000\000\000\000\020\271\376\256\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518947541069}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bd5, tiny = {__data = "Ջ\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\252~\t\r\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185487232}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13540740) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13540740: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc3e0, tiny = {__data = "\340\303o\023\r\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\300\nT\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13540740) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0baefeb9a0 "ReaderPool70"}, _M_string_length = 12, {_M_local_buf = "ReaderPool70\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc3e0, tiny = {__data = "\340\303o\023\r\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\300\nT\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13540740: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc3e0, tiny = {__data = "\340\303o\023\r\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\300\nT\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0baeffd700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0baeffd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139688157370112, -4771262700614340274, 0, 8392704, 0, 139688157370112, 4890429976489210190, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 132 (Thread 0x7f0bae7fc700 (LWP 35798)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2927535640, absSteadyTime=absSteadyTime@entry=0x7f0bae7ea5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11cace0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608141938}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11cace0, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0bae7ea618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11cace0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11cace0, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608141938}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11cace0, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1af8b40, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11cace0}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1af8b40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1af8b00, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134f9800, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 64 '@', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6850b40, tiny = {__data = "@\v\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\326\213\000\000\000\000\000\000X\002\000\000\000\000\000\000\020\251~\256\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518994030484}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bd6, tiny = {__data = "\326\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\232\376\b\r\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185736704}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13540780) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13540780: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc410, tiny = {__data = "\020\304o\023\r\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\220\bT\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13540780) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0bae7ea9a0 "ReaderPool71"}, _M_string_length = 12, {_M_local_buf = "ReaderPool71\000\000\000", _M_allocated_capacity = 8021036716148221266}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc410, tiny = {__data = "\020\304o\023\r\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\220\bT\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13540780: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc410, tiny = {__data = "\020\304o\023\r\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\220\bT\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0bae7fc700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0bae7fc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139688148977408, -4771262700614340274, 0, 8392704, 0, 139688148977408, 4890431075463967054, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 131 (Thread 0x7f0badffb700 (LWP 35799)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2919142936, absSteadyTime=absSteadyTime@entry=0x7f0badfe95f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c59d0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608144224}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c59d0, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0badfe9618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c59d0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c59d0, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608144224}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c59d0, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c59d0}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -96 '\240', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f9a3a0, tiny = {__data = "\240\243\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\327\213\000\000\000\000\000\000`\002\000\000\000\000\000\000\020\231\376\255\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518994253510}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bd7, tiny = {__data = "\327\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\372\336\365\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185736704}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13540880) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13540880: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc470, tiny = {__data = "p\304o\023\r\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13540880) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0badfe99a0 "WriterPool0"}, _M_string_length = 11, {_M_local_buf = "WriterPool0\000\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc470, tiny = {__data = "p\304o\023\r\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13540880: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc470, tiny = {__data = "p\304o\023\r\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0badffb700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0badffb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139688140584704, -4771262700614340274, 0, 8392704, 0, 139688140584704, 4890427778539696462, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 130 (Thread 0x7f0bad7fa700 (LWP 35800)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2910750232, absSteadyTime=absSteadyTime@entry=0x7f0bad7e85f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c0a68) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608151300}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c0a68, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0bad7e8618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c0a68) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c0a68, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608151300}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c0a68, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c0a68}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -32 '\340', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f99ae0, tiny = {__data = "\340\232\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000؋\000\000\000\000\000\000h\002\000\000\000\000\000\000\020\211~\255\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518992768697}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bd8, tiny = {__data = "؋\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000pZ\232\340\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185736704}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135408c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135408c0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc4a0, tiny = {__data = "\240\304o\023\r\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\230YS\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135408c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0bad7e89a0 "WriterPool1"}, _M_string_length = 11, {_M_local_buf = "WriterPool1\000\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc4a0, tiny = {__data = "\240\304o\023\r\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\230YS\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135408c0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc4a0, tiny = {__data = "\240\304o\023\r\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\230YS\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0bad7fa700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0bad7fa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139688132192000, -4771262700614340274, 0, 8392704, 0, 139688132192000, 4890428877514453326, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 129 (Thread 0x7f0bacff9700 (LWP 35801)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2902357528, absSteadyTime=absSteadyTime@entry=0x7f0bacfe75f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11b97f0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608155360}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11b97f0, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0bacfe7618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11b97f0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11b97f0, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608155360}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11b97f0, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11b97f0}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -80 '\260', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f98ab0, tiny = {__data = "\260\212\371\301\b\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000ً\000\000\000\000\000\000p\002\000\000\000\000\000\000\020y\376\254\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518992404554}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bd9, tiny = {__data = "ً\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000pz\336\361\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185675136}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13540900) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13540900: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc4d0, tiny = {__data = "\320\304o\023\r\177\000\000\002\000\000\000\000\000\000\000ip", '\000' <repeats 29 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13540900) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0bacfe79a0 "WriterPool2"}, _M_string_length = 11, {_M_local_buf = "WriterPool2\000\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc4d0, tiny = {__data = "\320\304o\023\r\177\000\000\002\000\000\000\000\000\000\000ip", '\000' <repeats 29 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13540900: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc4d0, tiny = {__data = "\320\304o\023\r\177\000\000\002\000\000\000\000\000\000\000ip", '\000' <repeats 29 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0bacff9700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0bacff9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139688123799296, -4771262700614340274, 0, 8392704, 0, 139688123799296, 4890425576295215438, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 128 (Thread 0x7f0b8ffff700 (LWP 35802)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2415842840, absSteadyTime=absSteadyTime@entry=0x7f0b8ffed5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11cde78) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608166592}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11cde78, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0b8ffed618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11cde78) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11cde78, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608166592}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11cde78, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11cde78}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -64 '\300', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f971c0, tiny = {__data = "\300q\371\301\b\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000ڋ\000\000\000\000\000\000x\002\000\000\000\000\000\000\020\331\376\217\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518998516622}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bda, tiny = {__data = "ڋ\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\331\376\217\v\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13540980) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13540980: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc500, tiny = {__data = "\000\305o\023\r\177\000\000\220\bT\023\r\177\000\000\000\000\000\000\000\000\000\000\320\tT\023\r\177\000\000\260\tT\023\r\177\000\000\t\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13540980) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b8ffed9a0 "WriterPool3"}, _M_string_length = 11, {_M_local_buf = "WriterPool3\000\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc500, tiny = {__data = "\000\305o\023\r\177\000\000\220\bT\023\r\177\000\000\000\000\000\000\000\000\000\000\320\tT\023\r\177\000\000\260\tT\023\r\177\000\000\t\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13540980: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc500, tiny = {__data = "\000\305o\023\r\177\000\000\220\bT\023\r\177\000\000\000\000\000\000\000\000\000\000\320\tT\023\r\177\000\000\260\tT\023\r\177\000\000\t\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0b8ffff700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b8ffff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139687637284608, -4771262700614340274, 0, 8392704, 0, 139687637284608, 4890361809989513550, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 127 (Thread 0x7f0b8f7fe700 (LWP 35803)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
No locals.
#1  0x00000000009e15d1 in __gthread_cond_timedwait (__abs_timeout=0x7f0b8f7eb160, __mutex=<optimized out>, __cond=0x7f0885984268) at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:872
No locals.
#2  __wait_until_impl<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__lock=..., __lock=..., __atime=..., this=0x7f0885984268) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:232
        __ts = {tv_sec = 1638524634, tv_nsec = 621532366}
#3  wait_until<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=0x7f0885984268) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:126
No locals.
#4  operator() (__closure=<synthetic pointer>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/lsm/lsm_tree.cc:349
        now = <optimized out>
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x7f0a122ce5a0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
#5  magma::LSMTree::tryLevel0BlockingCompaction() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/lsm/lsm_tree.cc:364
        bt = {dest = 0x7f08841147f0, start = {__d = {__r = 15123218508186134}}, name = 0x0, out = 0x0}
        lock = {_M_device = 0x7f08859840f0, _M_owns = true}
        ratio = <optimized out>
        needsLevel0Compact = {__ratio = <synthetic pointer>, __this = 0x7f0885984000}
#6  0x00000000009e9e72 in add (autoFlush=false, rawVal=..., rawKey=..., op=magma::Update, this=0x7f0885984000) at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/lsm/lsm_tree.cc:316
No locals.
#7  magma::LSMTree::Write(magma::Operation, magma::Slice const&, magma::Slice const&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/lsm/lsm_tree.cc:1491
No locals.
#8  0x000000000097e08e in magma::KVStore::writeDocument(magma::Magma::WriteOperation const&, magma::WAL*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/kvstore/kvstore.cc:827
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
        doReplace = true
        walOffset = {SegID = 8949, SegOffset = 786451}
        doValueSplitting = <optimized out>
        seqValue = {data = 0x7f08669b8200 "\016\034", len = 51}
        seqKey = {data = 0x7f0884937028 "", len = 8}
#9  0x000000000097e105 in magma::KVStore::write(magma::Magma::WriteOperation const&, magma::WAL*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/kvstore/kvstore.cc:630
No locals.
#10 0x000000000098c719 in magma::KVStore::WriteDocs(magma::WAL*, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const&, std::function<void (magma::Magma::WriteOperation const&, bool, magma::Slice)>, std::function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> ()>) ()
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/kvstore/write.cc:162
        i = 0
        lock = {_M_device = @0x7f0884937030}
        kvID = 66
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
        deltas = {<std::_Vector_base<magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::DeltaInfo, std::allocator<magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::DeltaInfo> >> = {
            _M_impl = {<std::allocator<magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::DeltaInfo>> = {<__gnu_cxx::new_allocator<magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::DeltaInfo>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::DeltaInfo, std::allocator<magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::DeltaInfo> >::_Vector_impl_data> = {_M_start = 0x7f0737c8c000, _M_finish = 0x7f0737c8c020, _M_end_of_storage = 0x7f0737c8c020}, <No data fields>}}, <No data fields>}
        rstats = {NBytesOutgoing = 0, NReadBytes = 9531, NReadIOs = 5, NDataBlockReads = 4, NIndexBlockReads = 6}
        postOps = 0x7f0b8f7eba40
        doWALAbort = true
        doAbortTxn = true
        _ = {fn = {<std::_Maybe_unary_or_binary_function<void>> = {<No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x7f074e57f520, _M_const_object = 0x7f074e57f520, _M_function_pointer = 0x7f074e57f520, _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x7f074e57f520, this adjustment 24}, 
                _M_pod_data = " \365WN\a\177\000\000\030\000\000\000\000\000\000"}, _M_manager = 0x98bbb0 <std::_Function_handler<void(), magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::<lambda()> >::_M_manager(std::_Any_data &, const std::_Any_data &, std::_Manager_operation)>}, 
            _M_invoker = 0x98bb70 <std::_Function_handler<void(), magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::<lambda()> >::_M_invoke(const std::_Any_data &)>}}
        deltaSeqnoFmt = {seqno = 6021239, buf = "\000\000\000\000\000[\340w"}
        deltaValFmt = {fields = 8 '\b', key = {data = 0x0, len = 0}, meta = {data = 0x0, len = 0}, value = {data = 0x0, len = 0}, logicalSize = 1441, buffer = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b8f7eb610 "\b\241\005"}, _M_string_length = 5, {
              _M_local_buf = "\b\241\005\000\000\000\000\000\311\065\271\000\000\000\000", _M_allocated_capacity = 368904}}}
#11 0x0000000000952f55 in magma::Magma::Impl::WriteDocs(unsigned short, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const&, unsigned int, std::function<void (magma::Magma::WriteOperation const&, bool, magma::Slice)>, std::function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> ()>) ()
    at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
        kvstore = {<std::__shared_ptr<magma::KVStore, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::KVStore, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0884936e10, _M_refcount = {_M_pi = 0x7f0884936e00}}, <No data fields>}
#12 0x0000000000953102 in magma::Magma::WriteDocs(unsigned short, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const&, unsigned int, std::function<void (magma::Magma::WriteOperation const&, bool, magma::Slice)>, std::function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> ()>) ()
    at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
No locals.
#13 0x0000000000890ef4 in MagmaMemoryTrackingProxy::WriteDocs(unsigned short, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const&, unsigned int, std::function<void (magma::Magma::WriteOperation const&, bool, magma::Slice)>, std::function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> ()>) ()
    at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
        wrappedDocCallback = {<std::_Maybe_unary_or_binary_function<void, magma::Magma::WriteOperation const&, bool, magma::Slice>> = {<No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x7f0b8f7ebaa0, _M_const_object = 0x7f0b8f7ebaa0, _M_function_pointer = 0x7f0b8f7ebaa0, 
                _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x7f0b8f7ebaa0, this adjustment 139687628815056}, _M_pod_data = "\240\272~\217\v\177\000\000к~\217\v\177\000"}, 
            _M_manager = 0x88f9a0 <std::_Function_handler<void(const magma::Magma::WriteOperation&, bool, magma::Slice), MagmaMemoryTrackingProxy::WriteDocs(magma::Magma::KVStoreID, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::KVStoreRevision, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::<lambda(const magma::Magma::WriteOperation&, bool, magma::Slice)> >::_M_manager(std::_Any_data &, const std::_Any_data &, std::_Manager_operation)>}, 
          _M_invoker = 0x88f810 <std::_Function_handler<void (magma::Magma::WriteOperation const&, bool, magma::Slice), MagmaMemoryTrackingProxy::WriteDocs(unsigned short, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const&, unsigned int, std::function<void (magma::Magma::WriteOperation const&, bool, magma::Slice)>, std::function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> ()>)::{lambda(magma::Magma::WriteOperation const&, bool, magma::Slice)#1}>::_M_invoke(std::_Any_data const&, magma::Magma::WriteOperation const&, bool&&, magma::Slice&&)>}
        wrappedPostCallback = {<std::_Maybe_unary_or_binary_function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> >> = {<No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x7f0b8f7ebac0, _M_const_object = 0x7f0b8f7ebac0, 
                _M_function_pointer = 0x7f0b8f7ebac0, _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x7f0b8f7ebac0, this adjustment 139687628815056}, _M_pod_data = "\300\272~\217\v\177\000\000к~\217\v\177\000"}, 
            _M_manager = 0x88f9e0 <std::_Function_handler<std::pair<magma::Status, const std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> >*>(), MagmaMemoryTrackingProxy::WriteDocs(magma::Magma::KVStoreID, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::KVStoreRevision, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::<lambda()> >::_M_manager(std::_Any_data &, const std::_Any_data &, std::_Manager_operation)>}, 
          _M_invoker = 0x88f890 <std::_Function_handler<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> (), MagmaMemoryTrackingProxy::WriteDocs(unsigned short, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const&, unsigned int, std::function<void (magma::Magma::WriteOperation const&, bool, magma::Slice)>, std::function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> ()>)::{lambda()#2}>::_M_invoke(std::_Any_data const&)>}
        domainGuard = {previous = cb::Primary}
#14 0x0000000000878d9f in MagmaKVStore::saveDocs(MagmaKVStoreTransactionContext&, VB::Commit&, kvstats_ctx&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/include/memcached/vbucket.h:62
        ninserts = 0
        ndeletes = 2
        vbid = {vbid = 66}
        writeDocsCB = <optimized out>
        localDbReqs = {<std::_Vector_base<MagmaKVStore::MagmaLocalReq, std::allocator<MagmaKVStore::MagmaLocalReq> >> = {_M_impl = {<std::allocator<MagmaKVStore::MagmaLocalReq>> = {<__gnu_cxx::new_allocator<MagmaKVStore::MagmaLocalReq>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<MagmaKVStore::MagmaLocalReq, std::allocator<MagmaKVStore::MagmaLocalReq> >::_Vector_impl_data> = {
                _M_start = 0x7f08e23fdaa0, _M_finish = 0x7f08e23fdb30, _M_end_of_storage = 0x7f08e23fdb30}, <No data fields>}}, <No data fields>}
        magmaDbStats = {<magma::UserStats> = {_vptr.UserStats = 0x105cb80 <vtable for MagmaDbStats+16>}, docCount = -2, purgeSeqno = {<ThrowExceptionPolicy<unsigned long>> = {label = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b8f7ebb10 "unlabelled"}, _M_string_length = 10, {
                  _M_local_buf = "unlabelled\000\000\000\000\000", _M_allocated_capacity = 7812730926796664437}}}, val = 0}}
        postWriteOps = {<std::_Vector_base<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> >> = {_M_impl = {<std::allocator<magma::Magma::WriteOperation>> = {<__gnu_cxx::new_allocator<magma::Magma::WriteOperation>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> >::_Vector_impl_data> = {
                _M_start = 0x7f0864debf80, _M_finish = 0x7f0864dec0b8, _M_end_of_storage = 0x7f0864dec120}, <No data fields>}}, <No data fields>}
        lastSeqno = 8317397
        beginTime = {__d = {__r = 15123218508171030}}
        saveDocsDuration = {__r = 373}
        postWriteDocsCB = {__this = <optimized out>, __commitData = <optimized out>, __localDbReqs = @0x7f0b8f7eba20, __lastSeqno = @0x7f0b8f7eb9f8, __vbid = <optimized out>, __ninserts = <optimized out>, __ndeletes = <optimized out>, __magmaDbStats = <optimized out>, __beginTime = <optimized out>, __saveDocsDuration = <optimized out>, __postWriteOps = <optimized out>}
        ctx = <optimized out>
        writeOps = {<std::_Vector_base<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> >> = {_M_impl = {<std::allocator<magma::Magma::WriteOperation>> = {<__gnu_cxx::new_allocator<magma::Magma::WriteOperation>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> >::_Vector_impl_data> = {
                _M_start = 0x7f0d101e25e0, _M_finish = 0x7f0d101e26b0, _M_end_of_storage = 0x7f0d101e26b0}, <No data fields>}}, <No data fields>}
        getDroppedStatus = <unknown type in /usr/lib/debug/opt/couchbase/bin/memcached-7.1.0-1817.x86_64.debug, CU 0x5a532c8, DIE 0x5c4cd67>
        dropped = <unknown type in /usr/lib/debug/opt/couchbase/bin/memcached-7.1.0-1817.x86_64.debug, CU 0x5a532c8, DIE 0x5c4cd78>
        manifestResult = {<std::__pair_base<bool, Monotonic<unsigned long, ThrowExceptionPolicy, cb::greater_equal> >> = {<No data fields>}, first = true, second = {<ThrowExceptionPolicy<unsigned long>> = {label = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b8f7ebb48 "unlabelled"}, 
                _M_string_length = 10, {_M_local_buf = "unlabelled\000\000\000\000\000", _M_allocated_capacity = 7812730926796664437}}}, val = 50}}
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x42}, <No data fields>}, <No data fields>}}, <No data fields>}}}
#15 0x00000000008718ff in MagmaKVStore::commit(std::unique_ptr<TransactionContext, std::default_delete<TransactionContext> >, VB::Commit&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kvstore/magma-kvstore/magma-kvstore.cc:711
        ctx = @0x7f0877668f20: {<TransactionContext> = {_vptr.TransactionContext = 0x105ba48 <vtable for MagmaKVStoreTransactionContext+16>, kvstore = @0x7f0883d31400, vbid = {vbid = 66}, cb = {_M_t = {<std::__uniq_ptr_impl<PersistenceCallback, std::default_delete<PersistenceCallback> >> = {
                  _M_t = {<std::_Tuple_impl<0, PersistenceCallback*, std::default_delete<PersistenceCallback> >> = {<std::_Tuple_impl<1, std::default_delete<PersistenceCallback> >> = {<std::_Head_base<1, std::default_delete<PersistenceCallback>, true>> = {<std::default_delete<PersistenceCallback>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, PersistenceCallback*, false>> = {
                        _M_head_impl = 0x7f06cb00aa80}, <No data fields>}, <No data fields>}}, <No data fields>}}}, pendingReqs = {<std::_Deque_base<MagmaRequest, std::allocator<MagmaRequest> >> = {_M_impl = {<std::allocator<MagmaRequest>> = {<__gnu_cxx::new_allocator<MagmaRequest>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<MagmaRequest, std::allocator<MagmaRequest> >::_Deque_impl_data> = {
                  _M_map = 0x7f0866119c80, _M_map_size = 8, _M_start = {_M_cur = 0x7f08bc102200, _M_first = 0x7f08bc102200, _M_last = 0x7f08bc1023e0, _M_node = 0x7f0866119c98}, _M_finish = {_M_cur = 0x7f08bc1022c0, _M_first = 0x7f08bc102200, _M_last = 0x7f08bc1023e0, _M_node = 0x7f0866119c98}}, <No data fields>}}, <No data fields>}}
        kvctx = {commitData = @0x7f0b8f7ec070, onDiskPrepareDelta = 0, onDiskPrepareBytesDelta = 0}
        success = true
        errCode = <optimized out>
#16 0x000000000081b605 in EPBucket::commit(KVStoreIface&, std::unique_ptr<TransactionContext, std::default_delete<TransactionContext> >, VB::Commit&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_bucket.cc:927
        timer = {dest = 0x7f0d100005f8, start = {__d = {__r = 15123218507797493}}, name = 0xc7ae21 "disk_commit", out = 0x0}
        commit_start = <optimized out>
        vbid = {vbid = 66}
        res = <optimized out>
        commit_time = <optimized out>
#17 0x00000000008242dd in EPBucket::flushVBucket_UNLOCKED(LockedVBucketPtr) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_bucket.cc:799
        vbid = {vbid = 66}
        toFlush = {items = {<std::_Vector_base<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> >, std::allocator<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> > > >> = {
              _M_impl = {<std::allocator<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> > >> = {<__gnu_cxx::new_allocator<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> > >> = {<No data fields>}, <No data fields>}, <std::_Vector_base<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> >, std::allocator<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> > > >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, ranges = {<std::_Vector_base<CheckpointSnapshotRange, std::allocator<CheckpointSnapshotRange> >> = {
              _M_impl = {<std::allocator<CheckpointSnapshotRange>> = {<__gnu_cxx::new_allocator<CheckpointSnapshotRange>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<CheckpointSnapshotRange, std::allocator<CheckpointSnapshotRange> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, moreAvailable = false, 
          maxDeletedRevSeqno = {<std::_Optional_base<unsigned long, true, true>> = {<std::_Optional_base_impl<unsigned long, std::_Optional_base<unsigned long, true, true> >> = {<No data fields>}, _M_payload = {<std::_Optional_payload_base<unsigned long>> = {_M_payload = {_M_empty = {<No data fields>}, _M_value = 66}, 
                  _M_engaged = true}, <No data fields>}}, <std::_Enable_copy_move<true, true, true, true, std::optional<unsigned long> >> = {<No data fields>}, <No data fields>}, checkpointType = Memory, flushHandle = {_M_t = {<std::__uniq_ptr_impl<FlushHandle, std::default_delete<FlushHandle> >> = {
                _M_t = {<std::_Tuple_impl<0, FlushHandle*, std::default_delete<FlushHandle> >> = {<std::_Tuple_impl<1, std::default_delete<FlushHandle> >> = {<std::_Head_base<1, std::default_delete<FlushHandle>, true>> = {<std::default_delete<FlushHandle>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, FlushHandle*, false>> = {
                      _M_head_impl = 0x7f08ea145cc0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
        moreAvailable = <optimized out>
        wakeupCheckpointRemover = <optimized out>
        range = <optimized out>
        rwUnderlying = 0x7f0883d31400
        ctx = {_M_t = {<std::__uniq_ptr_impl<TransactionContext, std::default_delete<TransactionContext> >> = {
              _M_t = {<std::_Tuple_impl<0, TransactionContext*, std::default_delete<TransactionContext> >> = {<std::_Tuple_impl<1, std::default_delete<TransactionContext> >> = {<std::_Head_base<1, std::default_delete<TransactionContext>, true>> = {<std::default_delete<TransactionContext>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, TransactionContext*, false>> = {
                    _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}
        mustDedupe = <optimized out>
        prev = <optimized out>
        persistedVbState = <optimized out>
        vbstate = {static CurrentVersion = 4, maxDeletedSeqno = {counter = {_M_elems = "B\000\000\000\000"}}, highSeqno = 8317395, purgeSeqno = 8150803, lastSnapStart = 8317395, lastSnapEnd = 8317395, maxCas = 1638465109676589056, hlcCasEpochSeqno = 1, mightContainXattrs = false, supportsNamespaces = true, version = 4, persistedCompletedSeqno = 0, persistedPreparedSeqno = 0, highPreparedSeqno = 0, 
          maxVisibleSeqno = 8317395, onDiskPrepares = 0, onDiskPrepareBytes = 0, checkpointType = Memory, transition = {failovers = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
                _M_p = 0x7f08dc310000 "[{\"id\":117551353904094,\"seq\":8317334},{\"id\":237421055939885,\"seq\":8269149},{\"id\":51531106945334,\"seq\":8269149},{\"id\":105618369454884,\"seq\":8269143},{\"id\":80518391539325,\"seq\":8269143},{\"id\":1234371756"...}, _M_string_length = 917, {_M_local_buf = "\225\003", '\000' <repeats 13 times>, _M_allocated_capacity = 917}}, replicationTopology = {
              m_type = nlohmann::detail::null, m_value = {object = 0x0, array = 0x0, string = 0x0, binary = 0x0, boolean = false, number_integer = 0, number_unsigned = 0, number_float = 0}}, state = vbucket_state_replica}}
        logged = false
        callback = {__this = 0x7f0d100e2000, __logged = @0x7f0b8f7ebd95, __vbid = {vbid = <optimized out>}}
        writeOp = <optimized out>
        commitData = {collections = {collections = {
              _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0b8f7ec0a0, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, 
                _M_single_bucket = 0x0}}, scopes = {
              _M_h = {<std::__detail::_Hashtable_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::__detail::_Select1st, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<ScopeID>, true>> = {<std::hash<ScopeID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<ScopeID>, true>> = {<std::equal_to<ScopeID>> = {<std::binary_function<ScopeID, ScopeID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, Collections::KVStore::OpenScope>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, Collections::KVStore::OpenScope>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, Collections::KVStore::OpenScope>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<ScopeID const, Collections::KVStore::OpenScope>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0b8f7ec0d8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, 
                _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, droppedScopes = {
              _M_h = {<std::__detail::_Hashtable_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::__detail::_Select1st, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<ScopeID>, true>> = {<std::hash<ScopeID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<ScopeID>, true>> = {<std::equal_to<ScopeID>> = {<std::binary_function<ScopeID, ScopeID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, unsigned long>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, unsigned long>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, unsigned long>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<ScopeID const, unsigned long>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0b8f7ec110, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, flushAccounting = {stats = {
                _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, 
                  _M_buckets = 0x7f08641f0680, _M_bucket_count = 13, _M_before_begin = {_M_nxt = 0x7f0863b6de80}, _M_element_count = 1, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 13}, _M_single_bucket = 0x0}}, droppedStats = {
                _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, 
                  _M_buckets = 0x7f0b8f7ec180, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, droppedCollections = {
                _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0b8f7ec1b8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, 
                    _M_next_resize = 0}, _M_single_bucket = 0x0}}, droppedInStore = {
                _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0b8f7ec1f0, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, 
                    _M_next_resize = 0}, _M_single_bucket = 0x0}}}, manifestUid = {<ThrowExceptionPolicy<unsigned long>> = {label = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b8f7ec208 "unlabelled"}, _M_string_length = 10, {_M_local_buf = "unlabelled\000\217\v\177\000", 
                    _M_allocated_capacity = 7812730926796664437}}}, val = 50}, 
            manifest = {<std::_Reference_wrapper_base_memfun<Collections::VB::Manifest, false>> = {<std::_Reference_wrapper_base<Collections::VB::Manifest>> = {<std::_Weak_result_type<Collections::VB::Manifest>> = {<std::_Weak_result_type_memfun<Collections::VB::Manifest, false>> = {<std::_Weak_result_type_impl<Collections::VB::Manifest>> = {<std::_Maybe_get_result_type<Collections::VB::Manifest, void>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::_Refwrap_base_arg1<Collections::VB::Manifest, void>> = {<No data fields>}, <std::_Refwrap_base_arg2<Collections::VB::Manifest, void>> = {<No data fields>}, <No data fields>}, <No data fields>}, _M_data = 0x7f0d101f8760}, nonEmptyDroppedCollections = 0, needsMetaCommit = false}, writeOp = Upsert, proposedVBState = {
            static CurrentVersion = 4, maxDeletedSeqno = {counter = {_M_elems = "B\000\000\000\000"}}, highSeqno = 8317397, purgeSeqno = 8150803, lastSnapStart = 8317397, lastSnapEnd = 8317397, maxCas = 1638465110148841472, hlcCasEpochSeqno = 1, mightContainXattrs = false, supportsNamespaces = true, version = 4, persistedCompletedSeqno = 0, persistedPreparedSeqno = 0, highPreparedSeqno = 0, 
            maxVisibleSeqno = 8317397, onDiskPrepares = 0, onDiskPrepareBytes = 0, checkpointType = Memory, transition = {failovers = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
                  _M_p = 0x7f08648bc400 "[{\"id\":117551353904094,\"seq\":8317334},{\"id\":237421055939885,\"seq\":8269149},{\"id\":51531106945334,\"seq\":8269149},{\"id\":105618369454884,\"seq\":8269143},{\"id\":80518391539325,\"seq\":8269143},{\"id\":1234371756"...}, _M_string_length = 917, {_M_local_buf = "\225\003\000\000\000\000\000\000H\203@\026\r\177\000", _M_allocated_capacity = 917}}, 
              replicationTopology = {m_type = nlohmann::detail::null, m_value = {object = 0x0, array = 0x0, string = 0x0, binary = 0x0, boolean = false, number_integer = 0, number_unsigned = 0, number_float = 0}}, state = vbucket_state_replica}}, 
          sysErrorCallback = {<std::_Maybe_unary_or_binary_function<bool, std::system_error const&>> = {<std::unary_function<std::system_error const&, bool>> = {<No data fields>}, <No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x7f075fdf0d20, _M_const_object = 0x7f075fdf0d20, _M_function_pointer = 0x7f075fdf0d20, 
                  _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x7f075fdf0d20, this adjustment 139675148547360}, _M_pod_data = " \r\337_\a\177\000\000 \365\234\247\b\177\000"}, 
              _M_manager = 0x819040 <std::_Function_handler<bool(const std::system_error&), EPBucket::flushVBucket_UNLOCKED(LockedVBucketPtr)::<lambda(const std::system_error&)> >::_M_manager(std::_Any_data &, const std::_Any_data &, std::_Manager_operation)>}, 
            _M_invoker = 0x818ee0 <std::_Function_handler<bool(const std::system_error&), EPBucket::flushVBucket_UNLOCKED(LockedVBucketPtr)::<lambda(const std::system_error&)> >::_M_invoke(const std::_Any_data &, const std::system_error &)>}}
        proposedVBState = @0x7f0b8f7ec238: {static CurrentVersion = 4, maxDeletedSeqno = {counter = {_M_elems = "B\000\000\000\000"}}, highSeqno = 8317397, purgeSeqno = 8150803, lastSnapStart = 8317397, lastSnapEnd = 8317397, maxCas = 1638465110148841472, hlcCasEpochSeqno = 1, mightContainXattrs = false, supportsNamespaces = true, version = 4, persistedCompletedSeqno = 0, persistedPreparedSeqno = 0, 
          highPreparedSeqno = 0, maxVisibleSeqno = 8317397, onDiskPrepares = 0, onDiskPrepareBytes = 0, checkpointType = Memory, transition = {failovers = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
                _M_p = 0x7f08648bc400 "[{\"id\":117551353904094,\"seq\":8317334},{\"id\":237421055939885,\"seq\":8269149},{\"id\":51531106945334,\"seq\":8269149},{\"id\":105618369454884,\"seq\":8269143},{\"id\":80518391539325,\"seq\":8269143},{\"id\":1234371756"...}, _M_string_length = 917, {_M_local_buf = "\225\003\000\000\000\000\000\000H\203@\026\r\177\000", _M_allocated_capacity = 917}}, 
            replicationTopology = {m_type = nlohmann::detail::null, m_value = {object = 0x0, array = 0x0, string = 0x0, binary = 0x0, boolean = false, number_integer = 0, number_unsigned = 0, number_float = 0}}, state = vbucket_state_replica}}
        maxSeqno = <optimized out>
        maxVbStateOpCas = <optimized out>
        minSeqno = <optimized out>
        flushBatchSize = <optimized out>
        mustPersistVBState = <optimized out>
        hcs = <optimized out>
        hps = <optimized out>
        maxVisibleSeqno = {<ThrowExceptionPolicy<unsigned long>> = {label = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b8f7ebe50 "unlabelled"}, _M_string_length = 10, {_M_local_buf = "unlabelled\000\217\v\177\000", _M_allocated_capacity = 7812730926796664437}}}, val = 8317397}
        aggStats = {numItems = 2, totalBytes = 278, totalAgeInMilliseconds = 30246437011}
        highSeqno = <optimized out>
#18 0x0000000000824daf in EPBucket::flushVBucket(Vbid) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_bucket.cc:376
        vb = {vb = {<std::__shared_ptr<VBucket, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<VBucket, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, lock = {_M_device = 0x0, _M_owns = false}}
#19 0x00000000006d7920 in Flusher::flushVB (this=0x7f0863711600) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/flusher.cc:285
        vbid = {vbid = 66}
#20 0x00000000006d8270 in Flusher::step(GlobalTask*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/flusher.cc:200
        more = <optimized out>
        currentState = Flusher::Running
#21 0x0000000000a9eeb2 in GlobalTask::execute() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/globaltask.cc:68
        guard = {previous = 0x0}
#22 0x0000000000a9c0c5 in FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}::operator()() const (__closure=0x7f0b8f7ec840) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:189
        scheduleOverhead = <optimized out>
        start = {__d = {__r = 15123218507782514}}
        runAgain = false
        proxy = @0x7f08eaa6f250: {<folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >::Callback> = {<boost::intrusive::list_base_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)2> >> = {<boost::intrusive::generic_hook<(boost::intrusive::algo_types)0, boost::intrusive::list_node_traits<void*>, boost::intrusive::dft_tag, (boost::intrusive::link_mode_type)2, (boost::intrusive::base_hook_type)1>> = {<boost::intrusive::node_holder<boost::intrusive::list_node<void*>, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::list_node<void*>> = {next_ = 0x0, 
                    prev_ = 0x0}, <No data fields>}, <boost::intrusive::hook_tags_definer<boost::intrusive::generic_hook<(boost::intrusive::algo_types)0, boost::intrusive::list_node_traits<void*>, boost::intrusive::dft_tag, (boost::intrusive::link_mode_type)2, (boost::intrusive::base_hook_type)1>, 1>> = {<No data fields>}, <No data fields>}, <No data fields>}, 
            _vptr.Callback = 0xca2b48 <vtable for FollyExecutorPool::TaskProxy+16>, wheel_ = 0x0, expiration_ = {__d = {__r = 0}}, bucket_ = -1, requestContext_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, 
          task = {<std::__shared_ptr<GlobalTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<GlobalTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0863fd24d0, _M_refcount = {_M_pi = 0x7f0863fd24c0}}, <No data fields>}, taskId = 2021, scheduledOnCpuPool = true, executor = @0x7f0d13dfea00, cpuPool = @0x7f0d134fa400}
#23 0x0000000000bf0c60 in operator() (this=0x7f0b8f7ec840) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
        fn = @0x7f0b8f7ec840: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08eaa6f250, tiny = {__data = "P\362\246\352\b\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000ۋ\000\000\000\000\000\000\200\002\000\000\000\000\000\000\020\311~\217\v\177\000", __align = {<No data fields>}}}, 
          call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}
#24 folly::ThreadPoolExecutor::runTask(std::shared_ptr<folly::ThreadPoolExecutor::Thread> const&, folly::ThreadPoolExecutor::Task&&) (this=this@entry=0x7f0d134fa400, thread=..., task=task@entry=<unknown type in /usr/lib/debug/opt/couchbase/bin/memcached-7.1.0-1817.x86_64.debug, CU 0xa120c30, DIE 0xa1a4b65>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/ThreadPoolExecutor.cpp:97
        rctx = {prev_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}
        startTime = {__d = {__r = 15123218507782189}}
        stats = {expired = false, waitTime = {__r = 779}, runTime = {__r = 0}, enqueueTime = {__d = {__r = 15123218507781410}}, requestId = 0}
#25 0x0000000000bd8a1a in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:265
        task = {storage_ = {{emptyState = 80 'P', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08eaa6f250, tiny = {__data = "P\362\246\352\b\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000ۋ\000\000\000\000\000\000\200\002\000\000\000\000\000\000\020\311~\217\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123218507781410}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bdb, tiny = {__data = "ۋ\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\311~\217\v\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139681253474399}}, hasValue = true}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#26 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#27 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#28 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#29 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#30 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#31 0x0000000000a9bd54 in operator() (this=0x7f0d135409c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135409c0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc530, tiny = {__data = "0\305o\023\r\177", '\000' <repeats 18 times>, "\200\tT\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#32 operator() (__closure=0x7f0d135409c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b8f7ec9a0 "WriterPool4"}, _M_string_length = 11, {_M_local_buf = "WriterPool4\000\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc530, tiny = {__data = "0\305o\023\r\177", '\000' <repeats 18 times>, "\200\tT\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#33 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135409c0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc530, tiny = {__data = "0\305o\023\r\177", '\000' <repeats 18 times>, "\200\tT\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#34 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#35 0x00007f0d18faeea5 in start_thread (arg=0x7f0b8f7fe700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b8f7fe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139687628891904, -4771262700614340274, 0, 8392704, 0, 139687628891904, 4890362908964270414, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#36 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 126 (Thread 0x7f0b8effd700 (LWP 35804)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
No locals.
#1  0x00000000009e15d1 in __gthread_cond_timedwait (__abs_timeout=0x7f0b8efea160, __mutex=<optimized out>, __cond=0x7f08e110d268) at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:872
No locals.
#2  __wait_until_impl<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__lock=..., __lock=..., __atime=..., this=0x7f08e110d268) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:232
        __ts = {tv_sec = 1638524634, tv_nsec = 620946397}
#3  wait_until<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=0x7f08e110d268) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:126
No locals.
#4  operator() (__closure=<synthetic pointer>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/lsm/lsm_tree.cc:349
        now = <optimized out>
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x7f08eb248f00}, <No data fields>}, <No data fields>}}, <No data fields>}}}
#5  magma::LSMTree::tryLevel0BlockingCompaction() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/lsm/lsm_tree.cc:364
        bt = {dest = 0x7f08da020290, start = {__d = {__r = 15123245655557531}}, name = 0x0, out = 0x0}
        lock = {_M_device = 0x7f08e110d0f0, _M_owns = true}
        ratio = <optimized out>
        needsLevel0Compact = {__ratio = <synthetic pointer>, __this = 0x7f08e110d000}
#6  0x00000000009e9e72 in add (autoFlush=false, rawVal=..., rawKey=..., op=magma::Update, this=0x7f08e110d000) at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/lsm/lsm_tree.cc:316
No locals.
#7  magma::LSMTree::Write(magma::Operation, magma::Slice const&, magma::Slice const&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/lsm/lsm_tree.cc:1491
No locals.
#8  0x000000000097e08e in magma::KVStore::writeDocument(magma::Magma::WriteOperation const&, magma::WAL*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/kvstore/kvstore.cc:827
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
        doReplace = false
        walOffset = {SegID = 9901, SegOffset = 1527827}
        doValueSplitting = <optimized out>
        seqValue = {data = 0x7f08de48b000 "\f\030", len = 1451}
        seqKey = {data = 0x7f08dac97728 "", len = 8}
#9  0x000000000097e105 in magma::KVStore::write(magma::Magma::WriteOperation const&, magma::WAL*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/kvstore/kvstore.cc:630
No locals.
#10 0x000000000098c719 in magma::KVStore::WriteDocs(magma::WAL*, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const&, std::function<void (magma::Magma::WriteOperation const&, bool, magma::Slice)>, std::function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> ()>) ()
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/kvstore/write.cc:162
        i = 0
        lock = {_M_device = @0x7f08dac97730}
        kvID = 13
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
        deltas = {<std::_Vector_base<magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::DeltaInfo, std::allocator<magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::DeltaInfo> >> = {
            _M_impl = {<std::allocator<magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::DeltaInfo>> = {<__gnu_cxx::new_allocator<magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::DeltaInfo>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::DeltaInfo, std::allocator<magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::DeltaInfo> >::_Vector_impl_data> = {_M_start = 0x7f08e5536a30, _M_finish = 0x7f08e5536a40, _M_end_of_storage = 0x7f08e5536a40}, <No data fields>}}, <No data fields>}
        rstats = {NBytesOutgoing = 0, NReadBytes = 0, NReadIOs = 0, NDataBlockReads = 0, NIndexBlockReads = 0}
        postOps = 0x7f0b8efeaa40
        doWALAbort = true
        doAbortTxn = true
        _ = {fn = {<std::_Maybe_unary_or_binary_function<void>> = {<No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x7ef3768cb1a0, _M_const_object = 0x7ef3768cb1a0, _M_function_pointer = 0x7ef3768cb1a0, _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x7ef3768cb1a0}, 
                _M_pod_data = "\240\261\214v\363~\000\000\000\000\000\000\000\000\000"}, _M_manager = 0x98bbb0 <std::_Function_handler<void(), magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::<lambda()> >::_M_manager(std::_Any_data &, const std::_Any_data &, std::_Manager_operation)>}, 
            _M_invoker = 0x98bb70 <std::_Function_handler<void(), magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::<lambda()> >::_M_invoke(const std::_Any_data &)>}}
        deltaSeqnoFmt = {seqno = 0, buf = "\000\000\000\000\000\000\000"}
        deltaValFmt = {fields = 0 '\000', key = {data = 0x0, len = 0}, meta = {data = 0x0, len = 0}, value = {data = 0x0, len = 0}, logicalSize = 1675214656, buffer = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b8efea610 ""}, _M_string_length = 0, {
              _M_local_buf = "\000\000\000\000\000\000\000\000\311\065\271\000\000\000\000", _M_allocated_capacity = 0}}}
#11 0x0000000000952f55 in magma::Magma::Impl::WriteDocs(unsigned short, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const&, unsigned int, std::function<void (magma::Magma::WriteOperation const&, bool, magma::Slice)>, std::function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> ()>) ()
    at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
        kvstore = {<std::__shared_ptr<magma::KVStore, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::KVStore, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f08dac97510, _M_refcount = {_M_pi = 0x7f08dac97500}}, <No data fields>}
#12 0x0000000000953102 in magma::Magma::WriteDocs(unsigned short, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const&, unsigned int, std::function<void (magma::Magma::WriteOperation const&, bool, magma::Slice)>, std::function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> ()>) ()
    at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
No locals.
#13 0x0000000000890ef4 in MagmaMemoryTrackingProxy::WriteDocs(unsigned short, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const&, unsigned int, std::function<void (magma::Magma::WriteOperation const&, bool, magma::Slice)>, std::function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> ()>) ()
    at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
        wrappedDocCallback = {<std::_Maybe_unary_or_binary_function<void, magma::Magma::WriteOperation const&, bool, magma::Slice>> = {<No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x7f0b8efeaaa0, _M_const_object = 0x7f0b8efeaaa0, _M_function_pointer = 0x7f0b8efeaaa0, 
                _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x7f0b8efeaaa0, this adjustment 139687620422352}, _M_pod_data = "\240\252\376\216\v\177\000\000Ъ\376\216\v\177\000"}, 
            _M_manager = 0x88f9a0 <std::_Function_handler<void(const magma::Magma::WriteOperation&, bool, magma::Slice), MagmaMemoryTrackingProxy::WriteDocs(magma::Magma::KVStoreID, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::KVStoreRevision, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::<lambda(const magma::Magma::WriteOperation&, bool, magma::Slice)> >::_M_manager(std::_Any_data &, const std::_Any_data &, std::_Manager_operation)>}, 
          _M_invoker = 0x88f810 <std::_Function_handler<void (magma::Magma::WriteOperation const&, bool, magma::Slice), MagmaMemoryTrackingProxy::WriteDocs(unsigned short, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const&, unsigned int, std::function<void (magma::Magma::WriteOperation const&, bool, magma::Slice)>, std::function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> ()>)::{lambda(magma::Magma::WriteOperation const&, bool, magma::Slice)#1}>::_M_invoke(std::_Any_data const&, magma::Magma::WriteOperation const&, bool&&, magma::Slice&&)>}
        wrappedPostCallback = {<std::_Maybe_unary_or_binary_function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> >> = {<No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x7f0b8efeaac0, _M_const_object = 0x7f0b8efeaac0, 
                _M_function_pointer = 0x7f0b8efeaac0, _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x7f0b8efeaac0, this adjustment 139687620422352}, _M_pod_data = "\300\252\376\216\v\177\000\000Ъ\376\216\v\177\000"}, 
            _M_manager = 0x88f9e0 <std::_Function_handler<std::pair<magma::Status, const std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> >*>(), MagmaMemoryTrackingProxy::WriteDocs(magma::Magma::KVStoreID, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::KVStoreRevision, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::<lambda()> >::_M_manager(std::_Any_data &, const std::_Any_data &, std::_Manager_operation)>}, 
          _M_invoker = 0x88f890 <std::_Function_handler<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> (), MagmaMemoryTrackingProxy::WriteDocs(unsigned short, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const&, unsigned int, std::function<void (magma::Magma::WriteOperation const&, bool, magma::Slice)>, std::function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> ()>)::{lambda()#2}>::_M_invoke(std::_Any_data const&)>}
        domainGuard = {previous = cb::Primary}
#14 0x0000000000878d9f in MagmaKVStore::saveDocs(MagmaKVStoreTransactionContext&, VB::Commit&, kvstats_ctx&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/include/memcached/vbucket.h:62
        ninserts = 1
        ndeletes = 0
        vbid = {vbid = 13}
        writeDocsCB = <optimized out>
        localDbReqs = {<std::_Vector_base<MagmaKVStore::MagmaLocalReq, std::allocator<MagmaKVStore::MagmaLocalReq> >> = {_M_impl = {<std::allocator<MagmaKVStore::MagmaLocalReq>> = {<__gnu_cxx::new_allocator<MagmaKVStore::MagmaLocalReq>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<MagmaKVStore::MagmaLocalReq, std::allocator<MagmaKVStore::MagmaLocalReq> >::_Vector_impl_data> = {
                _M_start = 0x7f08e30189e0, _M_finish = 0x7f08e3018a70, _M_end_of_storage = 0x7f08e3018a70}, <No data fields>}}, <No data fields>}
        magmaDbStats = {<magma::UserStats> = {_vptr.UserStats = 0x105cb80 <vtable for MagmaDbStats+16>}, docCount = 1, purgeSeqno = {<ThrowExceptionPolicy<unsigned long>> = {label = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b8efeab10 "unlabelled"}, _M_string_length = 10, {
                  _M_local_buf = "unlabelled\000\000\000\000\000", _M_allocated_capacity = 7812730926796664437}}}, val = 0}}
        postWriteOps = {<std::_Vector_base<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> >> = {_M_impl = {<std::allocator<magma::Magma::WriteOperation>> = {<__gnu_cxx::new_allocator<magma::Magma::WriteOperation>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> >::_Vector_impl_data> = {
                _M_start = 0x7f085f4af440, _M_finish = 0x7f085f4af578, _M_end_of_storage = 0x7f085f4af5e0}, <No data fields>}}, <No data fields>}
        lastSeqno = 8301013
        beginTime = {__d = {__r = 15123245655537240}}
        saveDocsDuration = {__r = 187}
        postWriteDocsCB = {__this = <optimized out>, __commitData = <optimized out>, __localDbReqs = @0x7f0b8efeaa20, __lastSeqno = @0x7f0b8efea9f8, __vbid = <optimized out>, __ninserts = <optimized out>, __ndeletes = <optimized out>, __magmaDbStats = <optimized out>, __beginTime = <optimized out>, __saveDocsDuration = <optimized out>, __postWriteOps = <optimized out>}
        ctx = <optimized out>
        writeOps = {<std::_Vector_base<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> >> = {_M_impl = {<std::allocator<magma::Magma::WriteOperation>> = {<__gnu_cxx::new_allocator<magma::Magma::WriteOperation>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> >::_Vector_impl_data> = {
                _M_start = 0x7f08d6c4e180, _M_finish = 0x7f08d6c4e1e8, _M_end_of_storage = 0x7f08d6c4e1e8}, <No data fields>}}, <No data fields>}
        getDroppedStatus = <unknown type in /usr/lib/debug/opt/couchbase/bin/memcached-7.1.0-1817.x86_64.debug, CU 0x5a532c8, DIE 0x5c4cd67>
        dropped = <unknown type in /usr/lib/debug/opt/couchbase/bin/memcached-7.1.0-1817.x86_64.debug, CU 0x5a532c8, DIE 0x5c4cd78>
        manifestResult = {<std::__pair_base<bool, Monotonic<unsigned long, ThrowExceptionPolicy, cb::greater_equal> >> = {<No data fields>}, first = true, second = {<ThrowExceptionPolicy<unsigned long>> = {label = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b8efeab48 "unlabelled"}, 
                _M_string_length = 10, {_M_local_buf = "unlabelled\000\000\000\000\000", _M_allocated_capacity = 7812730926796664437}}}, val = 50}}
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x3d}, <No data fields>}, <No data fields>}}, <No data fields>}}}
#15 0x00000000008718ff in MagmaKVStore::commit(std::unique_ptr<TransactionContext, std::default_delete<TransactionContext> >, VB::Commit&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kvstore/magma-kvstore/magma-kvstore.cc:711
        ctx = @0x7f08cace2e00: {<TransactionContext> = {_vptr.TransactionContext = 0x105ba48 <vtable for MagmaKVStoreTransactionContext+16>, kvstore = @0x7f08e1c15300, vbid = {vbid = 13}, cb = {_M_t = {<std::__uniq_ptr_impl<PersistenceCallback, std::default_delete<PersistenceCallback> >> = {
                  _M_t = {<std::_Tuple_impl<0, PersistenceCallback*, std::default_delete<PersistenceCallback> >> = {<std::_Tuple_impl<1, std::default_delete<PersistenceCallback> >> = {<std::_Head_base<1, std::default_delete<PersistenceCallback>, true>> = {<std::default_delete<PersistenceCallback>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, PersistenceCallback*, false>> = {
                        _M_head_impl = 0x7f0781f26940}, <No data fields>}, <No data fields>}}, <No data fields>}}}, pendingReqs = {<std::_Deque_base<MagmaRequest, std::allocator<MagmaRequest> >> = {_M_impl = {<std::allocator<MagmaRequest>> = {<__gnu_cxx::new_allocator<MagmaRequest>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<MagmaRequest, std::allocator<MagmaRequest> >::_Deque_impl_data> = {
                  _M_map = 0x7f0c6c20afc0, _M_map_size = 8, _M_start = {_M_cur = 0x7f08ed354600, _M_first = 0x7f08ed354600, _M_last = 0x7f08ed3547e0, _M_node = 0x7f0c6c20afd8}, _M_finish = {_M_cur = 0x7f08ed354660, _M_first = 0x7f08ed354600, _M_last = 0x7f08ed3547e0, _M_node = 0x7f0c6c20afd8}}, <No data fields>}}, <No data fields>}}
        kvctx = {commitData = @0x7f0b8efeb070, onDiskPrepareDelta = 0, onDiskPrepareBytesDelta = 0}
        success = true
        errCode = <optimized out>
#16 0x000000000081b605 in EPBucket::commit(KVStoreIface&, std::unique_ptr<TransactionContext, std::default_delete<TransactionContext> >, VB::Commit&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_bucket.cc:927
        timer = {dest = 0x7f0d100005f8, start = {__d = {__r = 15123245655349163}}, name = 0xc7ae21 "disk_commit", out = 0x0}
        commit_start = <optimized out>
        vbid = {vbid = 13}
        res = <optimized out>
        commit_time = <optimized out>
#17 0x00000000008242dd in EPBucket::flushVBucket_UNLOCKED(LockedVBucketPtr) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_bucket.cc:799
        vbid = {vbid = 13}
        toFlush = {items = {<std::_Vector_base<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> >, std::allocator<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> > > >> = {
              _M_impl = {<std::allocator<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> > >> = {<__gnu_cxx::new_allocator<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> > >> = {<No data fields>}, <No data fields>}, <std::_Vector_base<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> >, std::allocator<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> > > >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, ranges = {<std::_Vector_base<CheckpointSnapshotRange, std::allocator<CheckpointSnapshotRange> >> = {
              _M_impl = {<std::allocator<CheckpointSnapshotRange>> = {<__gnu_cxx::new_allocator<CheckpointSnapshotRange>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<CheckpointSnapshotRange, std::allocator<CheckpointSnapshotRange> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, moreAvailable = false, 
          maxDeletedRevSeqno = {<std::_Optional_base<unsigned long, true, true>> = {<std::_Optional_base_impl<unsigned long, std::_Optional_base<unsigned long, true, true> >> = {<No data fields>}, _M_payload = {<std::_Optional_payload_base<unsigned long>> = {_M_payload = {_M_empty = {<No data fields>}, _M_value = 61}, 
                  _M_engaged = true}, <No data fields>}}, <std::_Enable_copy_move<true, true, true, true, std::optional<unsigned long> >> = {<No data fields>}, <No data fields>}, checkpointType = Memory, flushHandle = {_M_t = {<std::__uniq_ptr_impl<FlushHandle, std::default_delete<FlushHandle> >> = {
                _M_t = {<std::_Tuple_impl<0, FlushHandle*, std::default_delete<FlushHandle> >> = {<std::_Tuple_impl<1, std::default_delete<FlushHandle> >> = {<std::_Head_base<1, std::default_delete<FlushHandle>, true>> = {<std::default_delete<FlushHandle>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, FlushHandle*, false>> = {
                      _M_head_impl = 0x7ef38f235ee0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
        moreAvailable = <optimized out>
        wakeupCheckpointRemover = <optimized out>
        range = <optimized out>
        rwUnderlying = 0x7f08e1c15300
        ctx = {_M_t = {<std::__uniq_ptr_impl<TransactionContext, std::default_delete<TransactionContext> >> = {
              _M_t = {<std::_Tuple_impl<0, TransactionContext*, std::default_delete<TransactionContext> >> = {<std::_Tuple_impl<1, std::default_delete<TransactionContext> >> = {<std::_Head_base<1, std::default_delete<TransactionContext>, true>> = {<std::default_delete<TransactionContext>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, TransactionContext*, false>> = {
                    _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}
        mustDedupe = <optimized out>
        prev = <optimized out>
        persistedVbState = <optimized out>
        vbstate = {static CurrentVersion = 4, maxDeletedSeqno = {counter = {_M_elems = "=\000\000\000\000"}}, highSeqno = 8301012, purgeSeqno = 8125635, lastSnapStart = 8301012, lastSnapEnd = 8301012, maxCas = 1638465137272094720, hlcCasEpochSeqno = 1, mightContainXattrs = false, supportsNamespaces = true, version = 4, persistedCompletedSeqno = 0, persistedPreparedSeqno = 0, highPreparedSeqno = 0, 
          maxVisibleSeqno = 8301012, onDiskPrepares = 0, onDiskPrepareBytes = 0, checkpointType = Memory, transition = {failovers = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
                _M_p = 0x7f0862ccb400 "[{\"id\":146432505160403,\"seq\":8299867},{\"id\":252716964156647,\"seq\":8249507},{\"id\":22342316193791,\"seq\":8249507},{\"id\":118793395530310,\"seq\":8249501},{\"id\":49155694745067,\"seq\":8249501},{\"id\":1399486041"...}, _M_string_length = 917, {_M_local_buf = "\225\003", '\000' <repeats 13 times>, _M_allocated_capacity = 917}}, replicationTopology = {
              m_type = nlohmann::detail::null, m_value = {object = 0x0, array = 0x0, string = 0x0, binary = 0x0, boolean = false, number_integer = 0, number_unsigned = 0, number_float = 0}}, state = vbucket_state_replica}}
        logged = false
        callback = {__this = 0x7f0d100e2000, __logged = @0x7f0b8efead95, __vbid = {vbid = <optimized out>}}
        writeOp = <optimized out>
        commitData = {collections = {collections = {
              _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0b8efeb0a0, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, 
                _M_single_bucket = 0x0}}, scopes = {
              _M_h = {<std::__detail::_Hashtable_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::__detail::_Select1st, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<ScopeID>, true>> = {<std::hash<ScopeID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<ScopeID>, true>> = {<std::equal_to<ScopeID>> = {<std::binary_function<ScopeID, ScopeID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, Collections::KVStore::OpenScope>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, Collections::KVStore::OpenScope>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, Collections::KVStore::OpenScope>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<ScopeID const, Collections::KVStore::OpenScope>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0b8efeb0d8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, 
                _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, droppedScopes = {
              _M_h = {<std::__detail::_Hashtable_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::__detail::_Select1st, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<ScopeID>, true>> = {<std::hash<ScopeID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<ScopeID>, true>> = {<std::equal_to<ScopeID>> = {<std::binary_function<ScopeID, ScopeID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, unsigned long>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, unsigned long>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, unsigned long>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<ScopeID const, unsigned long>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0b8efeb110, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, flushAccounting = {stats = {
                _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, 
                  _M_buckets = 0x7f087f939210, _M_bucket_count = 13, _M_before_begin = {_M_nxt = 0x7f0d08589480}, _M_element_count = 1, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 13}, _M_single_bucket = 0x0}}, droppedStats = {
                _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, 
                  _M_buckets = 0x7f0b8efeb180, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, droppedCollections = {
                _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0b8efeb1b8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, 
                    _M_next_resize = 0}, _M_single_bucket = 0x0}}, droppedInStore = {
                _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0b8efeb1f0, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, 
                    _M_next_resize = 0}, _M_single_bucket = 0x0}}}, manifestUid = {<ThrowExceptionPolicy<unsigned long>> = {label = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b8efeb208 "unlabelled"}, _M_string_length = 10, {_M_local_buf = "unlabelled\000\026\r\177\000", 
                    _M_allocated_capacity = 7812730926796664437}}}, val = 50}, 
            manifest = {<std::_Reference_wrapper_base_memfun<Collections::VB::Manifest, false>> = {<std::_Reference_wrapper_base<Collections::VB::Manifest>> = {<std::_Weak_result_type<Collections::VB::Manifest>> = {<std::_Weak_result_type_memfun<Collections::VB::Manifest, false>> = {<std::_Weak_result_type_impl<Collections::VB::Manifest>> = {<std::_Maybe_get_result_type<Collections::VB::Manifest, void>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::_Refwrap_base_arg1<Collections::VB::Manifest, void>> = {<No data fields>}, <std::_Refwrap_base_arg2<Collections::VB::Manifest, void>> = {<No data fields>}, <No data fields>}, <No data fields>}, _M_data = 0x7f0d101eb9c0}, nonEmptyDroppedCollections = 0, needsMetaCommit = false}, writeOp = Upsert, proposedVBState = {
            static CurrentVersion = 4, maxDeletedSeqno = {counter = {_M_elems = "=\000\000\000\000"}}, highSeqno = 8301013, purgeSeqno = 8125635, lastSnapStart = 8301013, lastSnapEnd = 8301013, maxCas = 1638465137279696896, hlcCasEpochSeqno = 1, mightContainXattrs = false, supportsNamespaces = true, version = 4, persistedCompletedSeqno = 0, persistedPreparedSeqno = 0, highPreparedSeqno = 0, 
            maxVisibleSeqno = 8301013, onDiskPrepares = 0, onDiskPrepareBytes = 0, checkpointType = Memory, transition = {failovers = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
                  _M_p = 0x7f08a9bed000 "[{\"id\":146432505160403,\"seq\":8299867},{\"id\":252716964156647,\"seq\":8249507},{\"id\":22342316193791,\"seq\":8249507},{\"id\":118793395530310,\"seq\":8249501},{\"id\":49155694745067,\"seq\":8249501},{\"id\":1399486041"...}, _M_string_length = 917, {_M_local_buf = "\225\003\000\000\000\000\000\000H\203@\026\r\177\000", _M_allocated_capacity = 917}}, 
              replicationTopology = {m_type = nlohmann::detail::null, m_value = {object = 0x0, array = 0x0, string = 0x0, binary = 0x0, boolean = false, number_integer = 0, number_unsigned = 0, number_float = 0}}, state = vbucket_state_replica}}, 
          sysErrorCallback = {<std::_Maybe_unary_or_binary_function<bool, std::system_error const&>> = {<std::unary_function<std::system_error const&, bool>> = {<No data fields>}, <No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x7f08bff13dc0, _M_const_object = 0x7f08bff13dc0, _M_function_pointer = 0x7f08bff13dc0, 
                  _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x7f08bff13dc0, this adjustment 139674779717128}, _M_pod_data = "\300=\361\277\b\177\000\000\b\016\241\221\b\177\000"}, 
              _M_manager = 0x819040 <std::_Function_handler<bool(const std::system_error&), EPBucket::flushVBucket_UNLOCKED(LockedVBucketPtr)::<lambda(const std::system_error&)> >::_M_manager(std::_Any_data &, const std::_Any_data &, std::_Manager_operation)>}, 
            _M_invoker = 0x818ee0 <std::_Function_handler<bool(const std::system_error&), EPBucket::flushVBucket_UNLOCKED(LockedVBucketPtr)::<lambda(const std::system_error&)> >::_M_invoke(const std::_Any_data &, const std::system_error &)>}}
        proposedVBState = @0x7f0b8efeb238: {static CurrentVersion = 4, maxDeletedSeqno = {counter = {_M_elems = "=\000\000\000\000"}}, highSeqno = 8301013, purgeSeqno = 8125635, lastSnapStart = 8301013, lastSnapEnd = 8301013, maxCas = 1638465137279696896, hlcCasEpochSeqno = 1, mightContainXattrs = false, supportsNamespaces = true, version = 4, persistedCompletedSeqno = 0, persistedPreparedSeqno = 0, 
          highPreparedSeqno = 0, maxVisibleSeqno = 8301013, onDiskPrepares = 0, onDiskPrepareBytes = 0, checkpointType = Memory, transition = {failovers = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
                _M_p = 0x7f08a9bed000 "[{\"id\":146432505160403,\"seq\":8299867},{\"id\":252716964156647,\"seq\":8249507},{\"id\":22342316193791,\"seq\":8249507},{\"id\":118793395530310,\"seq\":8249501},{\"id\":49155694745067,\"seq\":8249501},{\"id\":1399486041"...}, _M_string_length = 917, {_M_local_buf = "\225\003\000\000\000\000\000\000H\203@\026\r\177\000", _M_allocated_capacity = 917}}, 
            replicationTopology = {m_type = nlohmann::detail::null, m_value = {object = 0x0, array = 0x0, string = 0x0, binary = 0x0, boolean = false, number_integer = 0, number_unsigned = 0, number_float = 0}}, state = vbucket_state_replica}}
        maxSeqno = <optimized out>
        maxVbStateOpCas = <optimized out>
        minSeqno = <optimized out>
        flushBatchSize = <optimized out>
        mustPersistVBState = <optimized out>
        hcs = <optimized out>
        hps = <optimized out>
        maxVisibleSeqno = {<ThrowExceptionPolicy<unsigned long>> = {label = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b8efeae50 "unlabelled"}, _M_string_length = 10, {_M_local_buf = "unlabelled\000\000\000\000\000", _M_allocated_capacity = 7812730926796664437}}}, val = 8301013}
        aggStats = {numItems = 1, totalBytes = 1552, totalAgeInMilliseconds = 15123245638}
        highSeqno = <optimized out>
#18 0x0000000000824daf in EPBucket::flushVBucket(Vbid) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_bucket.cc:376
        vb = {vb = {<std::__shared_ptr<VBucket, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<VBucket, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, lock = {_M_device = 0x0, _M_owns = false}}
#19 0x00000000006d7920 in Flusher::flushVB (this=0x7f08635f5300) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/flusher.cc:285
        vbid = {vbid = 13}
#20 0x00000000006d8270 in Flusher::step(GlobalTask*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/flusher.cc:200
        more = <optimized out>
        currentState = Flusher::Running
#21 0x0000000000a9eeb2 in GlobalTask::execute() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/globaltask.cc:68
        guard = {previous = 0x0}
#22 0x0000000000a9c0c5 in FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}::operator()() const (__closure=0x7f0b8efeb840) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:189
        scheduleOverhead = <optimized out>
        start = {__d = {__r = 15123245655334881}}
        runAgain = false
        proxy = @0x7f08eaa6f2c0: {<folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >::Callback> = {<boost::intrusive::list_base_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)2> >> = {<boost::intrusive::generic_hook<(boost::intrusive::algo_types)0, boost::intrusive::list_node_traits<void*>, boost::intrusive::dft_tag, (boost::intrusive::link_mode_type)2, (boost::intrusive::base_hook_type)1>> = {<boost::intrusive::node_holder<boost::intrusive::list_node<void*>, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::list_node<void*>> = {next_ = 0x0, 
                    prev_ = 0x0}, <No data fields>}, <boost::intrusive::hook_tags_definer<boost::intrusive::generic_hook<(boost::intrusive::algo_types)0, boost::intrusive::list_node_traits<void*>, boost::intrusive::dft_tag, (boost::intrusive::link_mode_type)2, (boost::intrusive::base_hook_type)1>, 1>> = {<No data fields>}, <No data fields>}, <No data fields>}, 
            _vptr.Callback = 0xca2b48 <vtable for FollyExecutorPool::TaskProxy+16>, wheel_ = 0x0, expiration_ = {__d = {__r = 0}}, bucket_ = -1, requestContext_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, 
          task = {<std::__shared_ptr<GlobalTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<GlobalTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0863efe730, _M_refcount = {_M_pi = 0x7f0863efe720}}, <No data fields>}, taskId = 1968, scheduledOnCpuPool = true, executor = @0x7f0d13dfea00, cpuPool = @0x7f0d134fa400}
#23 0x0000000000bf0c60 in operator() (this=0x7f0b8efeb840) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
        fn = @0x7f0b8efeb840: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08eaa6f2c0, tiny = {__data = "\300\362\246\352\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000܋\000\000\000\000\000\000\210\002\000\000\000\000\000\000\020\271\376\216\v\177\000", __align = {<No data fields>}}}, 
          call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}
#24 folly::ThreadPoolExecutor::runTask(std::shared_ptr<folly::ThreadPoolExecutor::Thread> const&, folly::ThreadPoolExecutor::Task&&) (this=this@entry=0x7f0d134fa400, thread=..., task=task@entry=<unknown type in /usr/lib/debug/opt/couchbase/bin/memcached-7.1.0-1817.x86_64.debug, CU 0xa120c30, DIE 0xa1a4b65>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/ThreadPoolExecutor.cpp:97
        rctx = {prev_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}
        startTime = {__d = {__r = 15123245655333583}}
        stats = {expired = false, waitTime = {__r = 1173}, runTime = {__r = 0}, enqueueTime = {__d = {__r = 15123245655332410}}, requestId = 0}
#25 0x0000000000bd8a1a in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:265
        task = {storage_ = {{emptyState = -64 '\300', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08eaa6f2c0, tiny = {__data = "\300\362\246\352\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000܋\000\000\000\000\000\000\210\002\000\000\000\000\000\000\020\271\376\216\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123245655332410}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bdc, tiny = {__data = "܋\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000pڜ\343\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = true}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#26 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#27 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#28 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#29 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#30 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#31 0x0000000000a9bd54 in operator() (this=0x7f0d13540940) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13540940: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc560, tiny = {__data = "`\305o\023\r\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#32 operator() (__closure=0x7f0d13540940) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b8efeb9a0 "WriterPool5"}, _M_string_length = 11, {_M_local_buf = "WriterPool5\000\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc560, tiny = {__data = "`\305o\023\r\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#33 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13540940: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc560, tiny = {__data = "`\305o\023\r\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#34 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#35 0x00007f0d18faeea5 in start_thread (arg=0x7f0b8effd700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b8effd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139687620499200, -4771262700614340274, 0, 8392704, 0, 139687620499200, 4890359607745032526, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#36 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 125 (Thread 0x7f0b8e7fc700 (LWP 35805)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2390664728, absSteadyTime=absSteadyTime@entry=0x7f0b8e7ea5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c80b8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608183366}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c80b8, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0b8e7ea618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c80b8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c80b8, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608183366}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c80b8, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c80b8}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -48 '\320', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f9a5d0, tiny = {__data = "Х\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\335\213\000\000\000\000\000\000\220\002\000\000\000\000\000\000\020\251~\216\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518985902163}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bdd, tiny = {__data = "\335\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p:\336\357\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185561088}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13540a00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13540a00: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc590, tiny = {__data = "\220\305o\023\r\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\310YS\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13540a00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b8e7ea9a0 "WriterPool6"}, _M_string_length = 11, {_M_local_buf = "WriterPool6\000\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc590, tiny = {__data = "\220\305o\023\r\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\310YS\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13540a00: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc590, tiny = {__data = "\220\305o\023\r\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\310YS\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0b8e7fc700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b8e7fc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139687612106496, -4771262700614340274, 0, 8392704, 0, 139687612106496, 4890360706719789390, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 124 (Thread 0x7f0b8dffb700 (LWP 35806)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
No locals.
#1  0x00000000009e15d1 in __gthread_cond_timedwait (__abs_timeout=0x7f0b8dfe8160, __mutex=<optimized out>, __cond=0x7f08d4815268) at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:872
No locals.
#2  __wait_until_impl<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__lock=..., __lock=..., __atime=..., this=0x7f08d4815268) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:232
        __ts = {tv_sec = 1638524634, tv_nsec = 620740990}
#3  wait_until<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=0x7f08d4815268) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:126
No locals.
#4  operator() (__closure=<synthetic pointer>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/lsm/lsm_tree.cc:349
        now = <optimized out>
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x7f0cf6a5ef70}, <No data fields>}, <No data fields>}}, <No data fields>}}}
#5  magma::LSMTree::tryLevel0BlockingCompaction() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/lsm/lsm_tree.cc:364
        bt = {dest = 0x7f08d5817730, start = {__d = {__r = 15123247677761388}}, name = 0x0, out = 0x0}
        lock = {_M_device = 0x7f08d48150f0, _M_owns = true}
        ratio = <optimized out>
        needsLevel0Compact = {__ratio = <synthetic pointer>, __this = 0x7f08d4815000}
#6  0x00000000009e9e72 in add (autoFlush=false, rawVal=..., rawKey=..., op=magma::Update, this=0x7f08d4815000) at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/lsm/lsm_tree.cc:316
No locals.
#7  magma::LSMTree::Write(magma::Operation, magma::Slice const&, magma::Slice const&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/lsm/lsm_tree.cc:1491
No locals.
#8  0x000000000097e08e in magma::KVStore::writeDocument(magma::Magma::WriteOperation const&, magma::WAL*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/kvstore/kvstore.cc:827
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
        doReplace = false
        walOffset = {SegID = 9854, SegOffset = 9183251}
        doValueSplitting = <optimized out>
        seqValue = {data = 0x7ef480fc9800 "\f\030", len = 1445}
        seqKey = {data = 0x7f08d647b828 "", len = 8}
#9  0x000000000097e105 in magma::KVStore::write(magma::Magma::WriteOperation const&, magma::WAL*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/kvstore/kvstore.cc:630
No locals.
#10 0x000000000098c719 in magma::KVStore::WriteDocs(magma::WAL*, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const&, std::function<void (magma::Magma::WriteOperation const&, bool, magma::Slice)>, std::function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> ()>) ()
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/kvstore/write.cc:162
        i = 0
        lock = {_M_device = @0x7f08d647b830}
        kvID = 16
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
        deltas = {<std::_Vector_base<magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::DeltaInfo, std::allocator<magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::DeltaInfo> >> = {
            _M_impl = {<std::allocator<magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::DeltaInfo>> = {<__gnu_cxx::new_allocator<magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::DeltaInfo>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::DeltaInfo, std::allocator<magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::DeltaInfo> >::_Vector_impl_data> = {_M_start = 0x7f08e7132080, _M_finish = 0x7f08e7132090, _M_end_of_storage = 0x7f08e7132090}, <No data fields>}}, <No data fields>}
        rstats = {NBytesOutgoing = 0, NReadBytes = 0, NReadIOs = 0, NDataBlockReads = 0, NIndexBlockReads = 0}
        postOps = 0x7f0b8dfe8a40
        doWALAbort = true
        doAbortTxn = true
        _ = {fn = {<std::_Maybe_unary_or_binary_function<void>> = {<No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x7f066c34e880, _M_const_object = 0x7f066c34e880, _M_function_pointer = 0x7f066c34e880, _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x7f066c34e880}, 
                _M_pod_data = "\200\350\064l\006\177\000\000\000\000\000\000\000\000\000"}, _M_manager = 0x98bbb0 <std::_Function_handler<void(), magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::<lambda()> >::_M_manager(std::_Any_data &, const std::_Any_data &, std::_Manager_operation)>}, 
            _M_invoker = 0x98bb70 <std::_Function_handler<void(), magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::<lambda()> >::_M_invoke(const std::_Any_data &)>}}
        deltaSeqnoFmt = {seqno = 0, buf = "\000\000\000\000\000\000\000"}
        deltaValFmt = {fields = 0 '\000', key = {data = 0x0, len = 0}, meta = {data = 0x0, len = 0}, value = {data = 0x0, len = 0}, logicalSize = 1674823488, buffer = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b8dfe8610 ""}, _M_string_length = 0, {
              _M_local_buf = "\000\000\000\000\000\000\000\000\311\065\271\000\000\000\000", _M_allocated_capacity = 0}}}
#11 0x0000000000952f55 in magma::Magma::Impl::WriteDocs(unsigned short, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const&, unsigned int, std::function<void (magma::Magma::WriteOperation const&, bool, magma::Slice)>, std::function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> ()>) ()
    at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
        kvstore = {<std::__shared_ptr<magma::KVStore, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::KVStore, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f08d647b610, _M_refcount = {_M_pi = 0x7f08d647b600}}, <No data fields>}
#12 0x0000000000953102 in magma::Magma::WriteDocs(unsigned short, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const&, unsigned int, std::function<void (magma::Magma::WriteOperation const&, bool, magma::Slice)>, std::function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> ()>) ()
    at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
No locals.
#13 0x0000000000890ef4 in MagmaMemoryTrackingProxy::WriteDocs(unsigned short, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const&, unsigned int, std::function<void (magma::Magma::WriteOperation const&, bool, magma::Slice)>, std::function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> ()>) ()
    at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
        wrappedDocCallback = {<std::_Maybe_unary_or_binary_function<void, magma::Magma::WriteOperation const&, bool, magma::Slice>> = {<No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x7f0b8dfe8aa0, _M_const_object = 0x7f0b8dfe8aa0, _M_function_pointer = 0x7f0b8dfe8aa0, 
                _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x7f0b8dfe8aa0, this adjustment 139687603636944}, _M_pod_data = "\240\212\376\215\v\177\000\000Њ\376\215\v\177\000"}, 
            _M_manager = 0x88f9a0 <std::_Function_handler<void(const magma::Magma::WriteOperation&, bool, magma::Slice), MagmaMemoryTrackingProxy::WriteDocs(magma::Magma::KVStoreID, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::KVStoreRevision, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::<lambda(const magma::Magma::WriteOperation&, bool, magma::Slice)> >::_M_manager(std::_Any_data &, const std::_Any_data &, std::_Manager_operation)>}, 
          _M_invoker = 0x88f810 <std::_Function_handler<void (magma::Magma::WriteOperation const&, bool, magma::Slice), MagmaMemoryTrackingProxy::WriteDocs(unsigned short, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const&, unsigned int, std::function<void (magma::Magma::WriteOperation const&, bool, magma::Slice)>, std::function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> ()>)::{lambda(magma::Magma::WriteOperation const&, bool, magma::Slice)#1}>::_M_invoke(std::_Any_data const&, magma::Magma::WriteOperation const&, bool&&, magma::Slice&&)>}
        wrappedPostCallback = {<std::_Maybe_unary_or_binary_function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> >> = {<No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x7f0b8dfe8ac0, _M_const_object = 0x7f0b8dfe8ac0, 
                _M_function_pointer = 0x7f0b8dfe8ac0, _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x7f0b8dfe8ac0, this adjustment 139687603636944}, _M_pod_data = "\300\212\376\215\v\177\000\000Њ\376\215\v\177\000"}, 
            _M_manager = 0x88f9e0 <std::_Function_handler<std::pair<magma::Status, const std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> >*>(), MagmaMemoryTrackingProxy::WriteDocs(magma::Magma::KVStoreID, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::KVStoreRevision, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::<lambda()> >::_M_manager(std::_Any_data &, const std::_Any_data &, std::_Manager_operation)>}, 
          _M_invoker = 0x88f890 <std::_Function_handler<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> (), MagmaMemoryTrackingProxy::WriteDocs(unsigned short, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const&, unsigned int, std::function<void (magma::Magma::WriteOperation const&, bool, magma::Slice)>, std::function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> ()>)::{lambda()#2}>::_M_invoke(std::_Any_data const&)>}
        domainGuard = {previous = cb::Primary}
#14 0x0000000000878d9f in MagmaKVStore::saveDocs(MagmaKVStoreTransactionContext&, VB::Commit&, kvstats_ctx&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/include/memcached/vbucket.h:62
        ninserts = 1
        ndeletes = 0
        vbid = {vbid = 16}
        writeDocsCB = <optimized out>
        localDbReqs = {<std::_Vector_base<MagmaKVStore::MagmaLocalReq, std::allocator<MagmaKVStore::MagmaLocalReq> >> = {_M_impl = {<std::allocator<MagmaKVStore::MagmaLocalReq>> = {<__gnu_cxx::new_allocator<MagmaKVStore::MagmaLocalReq>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<MagmaKVStore::MagmaLocalReq, std::allocator<MagmaKVStore::MagmaLocalReq> >::_Vector_impl_data> = {
                _M_start = 0x7f08949d1fa0, _M_finish = 0x7f08949d2030, _M_end_of_storage = 0x7f08949d2030}, <No data fields>}}, <No data fields>}
        magmaDbStats = {<magma::UserStats> = {_vptr.UserStats = 0x105cb80 <vtable for MagmaDbStats+16>}, docCount = 1, purgeSeqno = {<ThrowExceptionPolicy<unsigned long>> = {label = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b8dfe8b10 "unlabelled"}, _M_string_length = 10, {
                  _M_local_buf = "unlabelled\000\000\000\000\000", _M_allocated_capacity = 7812730926796664437}}}, val = 0}}
        postWriteOps = {<std::_Vector_base<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> >> = {_M_impl = {<std::allocator<magma::Magma::WriteOperation>> = {<__gnu_cxx::new_allocator<magma::Magma::WriteOperation>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> >::_Vector_impl_data> = {
                _M_start = 0x7f0864955fc0, _M_finish = 0x7f08649560f8, _M_end_of_storage = 0x7f0864956160}, <No data fields>}}, <No data fields>}
        lastSeqno = 8298786
        beginTime = {__d = {__r = 15123247677736952}}
        saveDocsDuration = {__r = 239}
        postWriteDocsCB = {__this = <optimized out>, __commitData = <optimized out>, __localDbReqs = @0x7f0b8dfe8a20, __lastSeqno = @0x7f0b8dfe89f8, __vbid = <optimized out>, __ninserts = <optimized out>, __ndeletes = <optimized out>, __magmaDbStats = <optimized out>, __beginTime = <optimized out>, __saveDocsDuration = <optimized out>, __postWriteOps = <optimized out>}
        ctx = <optimized out>
        writeOps = {<std::_Vector_base<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> >> = {_M_impl = {<std::allocator<magma::Magma::WriteOperation>> = {<__gnu_cxx::new_allocator<magma::Magma::WriteOperation>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> >::_Vector_impl_data> = {
                _M_start = 0x7f076a19bc20, _M_finish = 0x7f076a19bc88, _M_end_of_storage = 0x7f076a19bc88}, <No data fields>}}, <No data fields>}
        getDroppedStatus = <unknown type in /usr/lib/debug/opt/couchbase/bin/memcached-7.1.0-1817.x86_64.debug, CU 0x5a532c8, DIE 0x5c4cd67>
        dropped = <unknown type in /usr/lib/debug/opt/couchbase/bin/memcached-7.1.0-1817.x86_64.debug, CU 0x5a532c8, DIE 0x5c4cd78>
        manifestResult = {<std::__pair_base<bool, Monotonic<unsigned long, ThrowExceptionPolicy, cb::greater_equal> >> = {<No data fields>}, first = true, second = {<ThrowExceptionPolicy<unsigned long>> = {label = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b8dfe8b48 "unlabelled"}, 
                _M_string_length = 10, {_M_local_buf = "unlabelled\000\000\000\000\000", _M_allocated_capacity = 7812730926796664437}}}, val = 50}}
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x3e}, <No data fields>}, <No data fields>}}, <No data fields>}}}
#15 0x00000000008718ff in MagmaKVStore::commit(std::unique_ptr<TransactionContext, std::default_delete<TransactionContext> >, VB::Commit&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kvstore/magma-kvstore/magma-kvstore.cc:711
        ctx = @0x7f0879e12400: {<TransactionContext> = {_vptr.TransactionContext = 0x105ba48 <vtable for MagmaKVStoreTransactionContext+16>, kvstore = @0x7f08d4004080, vbid = {vbid = 16}, cb = {_M_t = {<std::__uniq_ptr_impl<PersistenceCallback, std::default_delete<PersistenceCallback> >> = {
                  _M_t = {<std::_Tuple_impl<0, PersistenceCallback*, std::default_delete<PersistenceCallback> >> = {<std::_Tuple_impl<1, std::default_delete<PersistenceCallback> >> = {<std::_Head_base<1, std::default_delete<PersistenceCallback>, true>> = {<std::default_delete<PersistenceCallback>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, PersistenceCallback*, false>> = {
                        _M_head_impl = 0x7ef376981ea0}, <No data fields>}, <No data fields>}}, <No data fields>}}}, pendingReqs = {<std::_Deque_base<MagmaRequest, std::allocator<MagmaRequest> >> = {_M_impl = {<std::allocator<MagmaRequest>> = {<__gnu_cxx::new_allocator<MagmaRequest>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<MagmaRequest, std::allocator<MagmaRequest> >::_Deque_impl_data> = {
                  _M_map = 0x7f08eb769c00, _M_map_size = 8, _M_start = {_M_cur = 0x7f08ebe67600, _M_first = 0x7f08ebe67600, _M_last = 0x7f08ebe677e0, _M_node = 0x7f08eb769c18}, _M_finish = {_M_cur = 0x7f08ebe67660, _M_first = 0x7f08ebe67600, _M_last = 0x7f08ebe677e0, _M_node = 0x7f08eb769c18}}, <No data fields>}}, <No data fields>}}
        kvctx = {commitData = @0x7f0b8dfe9070, onDiskPrepareDelta = 0, onDiskPrepareBytesDelta = 0}
        success = true
        errCode = <optimized out>
#16 0x000000000081b605 in EPBucket::commit(KVStoreIface&, std::unique_ptr<TransactionContext, std::default_delete<TransactionContext> >, VB::Commit&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_bucket.cc:927
        timer = {dest = 0x7f0d100005f8, start = {__d = {__r = 15123247677496876}}, name = 0xc7ae21 "disk_commit", out = 0x0}
        commit_start = <optimized out>
        vbid = {vbid = 16}
        res = <optimized out>
        commit_time = <optimized out>
#17 0x00000000008242dd in EPBucket::flushVBucket_UNLOCKED(LockedVBucketPtr) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_bucket.cc:799
        vbid = {vbid = 16}
        toFlush = {items = {<std::_Vector_base<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> >, std::allocator<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> > > >> = {
              _M_impl = {<std::allocator<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> > >> = {<__gnu_cxx::new_allocator<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> > >> = {<No data fields>}, <No data fields>}, <std::_Vector_base<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> >, std::allocator<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> > > >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, ranges = {<std::_Vector_base<CheckpointSnapshotRange, std::allocator<CheckpointSnapshotRange> >> = {
              _M_impl = {<std::allocator<CheckpointSnapshotRange>> = {<__gnu_cxx::new_allocator<CheckpointSnapshotRange>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<CheckpointSnapshotRange, std::allocator<CheckpointSnapshotRange> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, moreAvailable = false, 
          maxDeletedRevSeqno = {<std::_Optional_base<unsigned long, true, true>> = {<std::_Optional_base_impl<unsigned long, std::_Optional_base<unsigned long, true, true> >> = {<No data fields>}, _M_payload = {<std::_Optional_payload_base<unsigned long>> = {_M_payload = {_M_empty = {<No data fields>}, _M_value = 62}, 
                  _M_engaged = true}, <No data fields>}}, <std::_Enable_copy_move<true, true, true, true, std::optional<unsigned long> >> = {<No data fields>}, <No data fields>}, checkpointType = Memory, flushHandle = {_M_t = {<std::__uniq_ptr_impl<FlushHandle, std::default_delete<FlushHandle> >> = {
                _M_t = {<std::_Tuple_impl<0, FlushHandle*, std::default_delete<FlushHandle> >> = {<std::_Tuple_impl<1, std::default_delete<FlushHandle> >> = {<std::_Head_base<1, std::default_delete<FlushHandle>, true>> = {<std::default_delete<FlushHandle>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, FlushHandle*, false>> = {
                      _M_head_impl = 0x7ef3843074e0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
        moreAvailable = <optimized out>
        wakeupCheckpointRemover = <optimized out>
        range = <optimized out>
        rwUnderlying = 0x7f08d4004080
        ctx = {_M_t = {<std::__uniq_ptr_impl<TransactionContext, std::default_delete<TransactionContext> >> = {
              _M_t = {<std::_Tuple_impl<0, TransactionContext*, std::default_delete<TransactionContext> >> = {<std::_Tuple_impl<1, std::default_delete<TransactionContext> >> = {<std::_Head_base<1, std::default_delete<TransactionContext>, true>> = {<std::default_delete<TransactionContext>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, TransactionContext*, false>> = {
                    _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}
        mustDedupe = <optimized out>
        prev = <optimized out>
        persistedVbState = <optimized out>
        vbstate = {static CurrentVersion = 4, maxDeletedSeqno = {counter = {_M_elems = ">\000\000\000\000"}}, highSeqno = 8298785, purgeSeqno = 8129777, lastSnapStart = 8298785, lastSnapEnd = 8298785, maxCas = 1638465139185090560, hlcCasEpochSeqno = 1, mightContainXattrs = false, supportsNamespaces = true, version = 4, persistedCompletedSeqno = 0, persistedPreparedSeqno = 0, highPreparedSeqno = 0, 
          maxVisibleSeqno = 8298785, onDiskPrepares = 0, onDiskPrepareBytes = 0, checkpointType = Memory, transition = {failovers = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
                _M_p = 0x7f08f358b800 "[{\"id\":250720920648589,\"seq\":8297848},{\"id\":230631738821710,\"seq\":8248303},{\"id\":19914994494302,\"seq\":8248303},{\"id\":90145235416980,\"seq\":8248292},{\"id\":44501527203278,\"seq\":8248292},{\"id\":18175023420"...}, _M_string_length = 916, {_M_local_buf = "\224\003", '\000' <repeats 13 times>, _M_allocated_capacity = 916}}, replicationTopology = {
              m_type = nlohmann::detail::null, m_value = {object = 0x0, array = 0x0, string = 0x0, binary = 0x0, boolean = false, number_integer = 0, number_unsigned = 0, number_float = 0}}, state = vbucket_state_replica}}
        logged = false
        callback = {__this = 0x7f0d100e2000, __logged = @0x7f0b8dfe8d95, __vbid = {vbid = <optimized out>}}
        writeOp = <optimized out>
        commitData = {collections = {collections = {
              _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0b8dfe90a0, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, 
                _M_single_bucket = 0x0}}, scopes = {
              _M_h = {<std::__detail::_Hashtable_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::__detail::_Select1st, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<ScopeID>, true>> = {<std::hash<ScopeID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<ScopeID>, true>> = {<std::equal_to<ScopeID>> = {<std::binary_function<ScopeID, ScopeID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, Collections::KVStore::OpenScope>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, Collections::KVStore::OpenScope>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, Collections::KVStore::OpenScope>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<ScopeID const, Collections::KVStore::OpenScope>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0b8dfe90d8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, 
                _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, droppedScopes = {
              _M_h = {<std::__detail::_Hashtable_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::__detail::_Select1st, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<ScopeID>, true>> = {<std::hash<ScopeID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<ScopeID>, true>> = {<std::equal_to<ScopeID>> = {<std::binary_function<ScopeID, ScopeID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, unsigned long>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, unsigned long>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, unsigned long>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<ScopeID const, unsigned long>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0b8dfe9110, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, flushAccounting = {stats = {
                _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, 
                  _M_buckets = 0x7f08a83152e0, _M_bucket_count = 13, _M_before_begin = {_M_nxt = 0x7f0d082d05c0}, _M_element_count = 1, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 13}, _M_single_bucket = 0x0}}, droppedStats = {
                _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, 
                  _M_buckets = 0x7f0b8dfe9180, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, droppedCollections = {
                _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0b8dfe91b8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, 
                    _M_next_resize = 0}, _M_single_bucket = 0x0}}, droppedInStore = {
                _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0b8dfe91f0, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, 
                    _M_next_resize = 0}, _M_single_bucket = 0x0}}}, manifestUid = {<ThrowExceptionPolicy<unsigned long>> = {label = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b8dfe9208 "unlabelled"}, _M_string_length = 10, {_M_local_buf = "unlabelled\000\000\000\000\000", 
                    _M_allocated_capacity = 7812730926796664437}}}, val = 50}, 
            manifest = {<std::_Reference_wrapper_base_memfun<Collections::VB::Manifest, false>> = {<std::_Reference_wrapper_base<Collections::VB::Manifest>> = {<std::_Weak_result_type<Collections::VB::Manifest>> = {<std::_Weak_result_type_memfun<Collections::VB::Manifest, false>> = {<std::_Weak_result_type_impl<Collections::VB::Manifest>> = {<std::_Maybe_get_result_type<Collections::VB::Manifest, void>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::_Refwrap_base_arg1<Collections::VB::Manifest, void>> = {<No data fields>}, <std::_Refwrap_base_arg2<Collections::VB::Manifest, void>> = {<No data fields>}, <No data fields>}, <No data fields>}, _M_data = 0x7f0d101f69a0}, nonEmptyDroppedCollections = 0, needsMetaCommit = false}, writeOp = Upsert, proposedVBState = {
            static CurrentVersion = 4, maxDeletedSeqno = {counter = {_M_elems = ">\000\000\000\000"}}, highSeqno = 8298786, purgeSeqno = 8129777, lastSnapStart = 8298786, lastSnapEnd = 8298786, maxCas = 1638465139285426176, hlcCasEpochSeqno = 1, mightContainXattrs = false, supportsNamespaces = true, version = 4, persistedCompletedSeqno = 0, persistedPreparedSeqno = 0, highPreparedSeqno = 0, 
            maxVisibleSeqno = 8298786, onDiskPrepares = 0, onDiskPrepareBytes = 0, checkpointType = Memory, transition = {failovers = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
                  _M_p = 0x7f08ecf1f800 "[{\"id\":250720920648589,\"seq\":8297848},{\"id\":230631738821710,\"seq\":8248303},{\"id\":19914994494302,\"seq\":8248303},{\"id\":90145235416980,\"seq\":8248292},{\"id\":44501527203278,\"seq\":8248292},{\"id\":18175023420"...}, _M_string_length = 916, {_M_local_buf = "\224\003\000\000\000\000\000\000H\203@\026\r\177\000", _M_allocated_capacity = 916}}, 
              replicationTopology = {m_type = nlohmann::detail::null, m_value = {object = 0x0, array = 0x0, string = 0x0, binary = 0x0, boolean = false, number_integer = 0, number_unsigned = 0, number_float = 0}}, state = vbucket_state_replica}}, 
          sysErrorCallback = {<std::_Maybe_unary_or_binary_function<bool, std::system_error const&>> = {<std::unary_function<std::system_error const&, bool>> = {<No data fields>}, <No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x7f0744875fa0, _M_const_object = 0x7f0744875fa0, _M_function_pointer = 0x7f0744875fa0, 
                  _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x7f0744875fa0, this adjustment 139675030551000}, _M_pod_data = "\240_\207D\a\177\000\000\330y\224\240\b\177\000"}, 
              _M_manager = 0x819040 <std::_Function_handler<bool(const std::system_error&), EPBucket::flushVBucket_UNLOCKED(LockedVBucketPtr)::<lambda(const std::system_error&)> >::_M_manager(std::_Any_data &, const std::_Any_data &, std::_Manager_operation)>}, 
            _M_invoker = 0x818ee0 <std::_Function_handler<bool(const std::system_error&), EPBucket::flushVBucket_UNLOCKED(LockedVBucketPtr)::<lambda(const std::system_error&)> >::_M_invoke(const std::_Any_data &, const std::system_error &)>}}
        proposedVBState = @0x7f0b8dfe9238: {static CurrentVersion = 4, maxDeletedSeqno = {counter = {_M_elems = ">\000\000\000\000"}}, highSeqno = 8298786, purgeSeqno = 8129777, lastSnapStart = 8298786, lastSnapEnd = 8298786, maxCas = 1638465139285426176, hlcCasEpochSeqno = 1, mightContainXattrs = false, supportsNamespaces = true, version = 4, persistedCompletedSeqno = 0, persistedPreparedSeqno = 0, 
          highPreparedSeqno = 0, maxVisibleSeqno = 8298786, onDiskPrepares = 0, onDiskPrepareBytes = 0, checkpointType = Memory, transition = {failovers = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
                _M_p = 0x7f08ecf1f800 "[{\"id\":250720920648589,\"seq\":8297848},{\"id\":230631738821710,\"seq\":8248303},{\"id\":19914994494302,\"seq\":8248303},{\"id\":90145235416980,\"seq\":8248292},{\"id\":44501527203278,\"seq\":8248292},{\"id\":18175023420"...}, _M_string_length = 916, {_M_local_buf = "\224\003\000\000\000\000\000\000H\203@\026\r\177\000", _M_allocated_capacity = 916}}, 
            replicationTopology = {m_type = nlohmann::detail::null, m_value = {object = 0x0, array = 0x0, string = 0x0, binary = 0x0, boolean = false, number_integer = 0, number_unsigned = 0, number_float = 0}}, state = vbucket_state_replica}}
        maxSeqno = <optimized out>
        maxVbStateOpCas = <optimized out>
        minSeqno = <optimized out>
        flushBatchSize = <optimized out>
        mustPersistVBState = <optimized out>
        hcs = <optimized out>
        hps = <optimized out>
        maxVisibleSeqno = {<ThrowExceptionPolicy<unsigned long>> = {label = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b8dfe8e50 "unlabelled"}, _M_string_length = 10, {_M_local_buf = "unlabelled\000\000\000\000\000", _M_allocated_capacity = 7812730926796664437}}}, val = 8298786}
        aggStats = {numItems = 1, totalBytes = 1546, totalAgeInMilliseconds = 15123247643}
        highSeqno = <optimized out>
#18 0x0000000000824daf in EPBucket::flushVBucket(Vbid) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_bucket.cc:376
        vb = {vb = {<std::__shared_ptr<VBucket, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<VBucket, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, lock = {_M_device = 0x0, _M_owns = false}}
#19 0x00000000006d7920 in Flusher::flushVB (this=0x7f08635f6800) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/flusher.cc:285
        vbid = {vbid = 16}
#20 0x00000000006d8270 in Flusher::step(GlobalTask*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/flusher.cc:200
        more = <optimized out>
        currentState = Flusher::Running
#21 0x0000000000a9eeb2 in GlobalTask::execute() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/globaltask.cc:68
        guard = {previous = 0x0}
#22 0x0000000000a9c0c5 in FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}::operator()() const (__closure=0x7f0b8dfe9840) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:189
        scheduleOverhead = <optimized out>
        start = {__d = {__r = 15123247677480542}}
        runAgain = false
        proxy = @0x7f08c1f99c30: {<folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >::Callback> = {<boost::intrusive::list_base_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)2> >> = {<boost::intrusive::generic_hook<(boost::intrusive::algo_types)0, boost::intrusive::list_node_traits<void*>, boost::intrusive::dft_tag, (boost::intrusive::link_mode_type)2, (boost::intrusive::base_hook_type)1>> = {<boost::intrusive::node_holder<boost::intrusive::list_node<void*>, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::list_node<void*>> = {next_ = 0x0, 
                    prev_ = 0x0}, <No data fields>}, <boost::intrusive::hook_tags_definer<boost::intrusive::generic_hook<(boost::intrusive::algo_types)0, boost::intrusive::list_node_traits<void*>, boost::intrusive::dft_tag, (boost::intrusive::link_mode_type)2, (boost::intrusive::base_hook_type)1>, 1>> = {<No data fields>}, <No data fields>}, <No data fields>}, 
            _vptr.Callback = 0xca2b48 <vtable for FollyExecutorPool::TaskProxy+16>, wheel_ = 0x0, expiration_ = {__d = {__r = 0}}, bucket_ = -1, requestContext_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, 
          task = {<std::__shared_ptr<GlobalTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<GlobalTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0863f01890, _M_refcount = {_M_pi = 0x7f0863f01880}}, <No data fields>}, taskId = 1971, scheduledOnCpuPool = true, executor = @0x7f0d13dfea00, cpuPool = @0x7f0d134fa400}
#23 0x0000000000bf0c60 in operator() (this=0x7f0b8dfe9840) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
        fn = @0x7f0b8dfe9840: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f99c30, tiny = {__data = "0\234\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000ދ\000\000\000\000\000\000\230\002\000\000\000\000\000\000\020\231\376\215\v\177\000", __align = {<No data fields>}}}, 
          call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}
#24 folly::ThreadPoolExecutor::runTask(std::shared_ptr<folly::ThreadPoolExecutor::Thread> const&, folly::ThreadPoolExecutor::Task&&) (this=this@entry=0x7f0d134fa400, thread=..., task=task@entry=<unknown type in /usr/lib/debug/opt/couchbase/bin/memcached-7.1.0-1817.x86_64.debug, CU 0xa120c30, DIE 0xa1a4b65>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/ThreadPoolExecutor.cpp:97
        rctx = {prev_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}
        startTime = {__d = {__r = 15123247677479670}}
        stats = {expired = false, waitTime = {__r = 3931}, runTime = {__r = 0}, enqueueTime = {__d = {__r = 15123247677475739}}, requestId = 0}
#25 0x0000000000bd8a1a in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:265
        task = {storage_ = {{emptyState = 48 '0', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f99c30, tiny = {__data = "0\234\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000ދ\000\000\000\000\000\000\230\002\000\000\000\000\000\000\020\231\376\215\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123247677475739}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bde, tiny = {__data = "ދ\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000pj}\367\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139681253474399}}, hasValue = true}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#26 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#27 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#28 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#29 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#30 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#31 0x0000000000a9bd54 in operator() (this=0x7f0d13540a40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13540a40: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc5c0, tiny = {__data = "\300\305o\023\r\177\000\000\006\000\000\000\000\000\000\000domain", '\000' <repeats 25 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#32 operator() (__closure=0x7f0d13540a40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b8dfe99a0 "WriterPool7"}, _M_string_length = 11, {_M_local_buf = "WriterPool7\000\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc5c0, tiny = {__data = "\300\305o\023\r\177\000\000\006\000\000\000\000\000\000\000domain", '\000' <repeats 25 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#33 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13540a40: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc5c0, tiny = {__data = "\300\305o\023\r\177\000\000\006\000\000\000\000\000\000\000domain", '\000' <repeats 25 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#34 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#35 0x00007f0d18faeea5 in start_thread (arg=0x7f0b8dffb700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b8dffb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139687603713792, -4771262700614340274, 0, 8392704, 0, 139687603713792, 4890357409795518798, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#36 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 123 (Thread 0x7f0b8d7fa700 (LWP 35807)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2373879320, absSteadyTime=absSteadyTime@entry=0x7f0b8d7e85f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c57c0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608187004}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c57c0, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0b8d7e8618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c57c0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c57c0, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608187004}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c57c0, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c57c0}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -112 '\220', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f9a090, tiny = {__data = "\220\240\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000ߋ\000\000\000\000\000\000\240\002\000\000\000\000\000\000\020\211~\215\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518997763119}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bdf, tiny = {__data = "ߋ\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\352~\v\r\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13540a80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13540a80: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc5f0, tiny = {__data = "\360\305o\023\r\177\000\000\000\000\000\000\000\000\000\000\240\nT\023\r\177\000\000\004\000\000\000\000\000\000\000user", '\000' <repeats 11 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13540a80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b8d7e89a0 "WriterPool8"}, _M_string_length = 11, {_M_local_buf = "WriterPool8\000\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc5f0, tiny = {__data = "\360\305o\023\r\177\000\000\000\000\000\000\000\000\000\000\240\nT\023\r\177\000\000\004\000\000\000\000\000\000\000user", '\000' <repeats 11 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13540a80: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc5f0, tiny = {__data = "\360\305o\023\r\177\000\000\000\000\000\000\000\000\000\000\240\nT\023\r\177\000\000\004\000\000\000\000\000\000\000user", '\000' <repeats 11 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0b8d7fa700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b8d7fa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139687595321088, -4771262700614340274, 0, 8392704, 0, 139687595321088, 4890358508770275662, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 122 (Thread 0x7f0b8cff9700 (LWP 35808)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2365486616, absSteadyTime=absSteadyTime@entry=0x7f0b8cfe75f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c5040) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608192578}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c5040, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0b8cfe7618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c5040) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c5040, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608192578}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c5040, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c5040}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -64 '\300', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f9a2c0, tiny = {__data = "\300\242\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\340\213\000\000\000\000\000\000\250\002\000\000\000\000\000\000\020y\376\214\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518986814526}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8be0, tiny = {__data = "\340\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\332\376\n\r\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13580ac0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13580ac0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc620, tiny = {__data = " \306o\023\r\177\000\000\320\tX\023\r\177", '\000' <repeats 18 times>, "\360\nX\023\r\177\000\000\v\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13580ac0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b8cfe79a0 "WriterPool9"}, _M_string_length = 11, {_M_local_buf = "WriterPool9\000\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc620, tiny = {__data = " \306o\023\r\177\000\000\320\tX\023\r\177", '\000' <repeats 18 times>, "\360\nX\023\r\177\000\000\v\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13580ac0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d136fc620, tiny = {__data = " \306o\023\r\177\000\000\320\tX\023\r\177", '\000' <repeats 18 times>, "\360\nX\023\r\177\000\000\v\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0b8cff9700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b8cff9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139687586928384, -4771262700614340274, 0, 8392704, 0, 139687586928384, 4890355207551037774, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 121 (Thread 0x7f0b6ffff700 (LWP 35809)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1878971928, absSteadyTime=absSteadyTime@entry=0x7f0b6ffed5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11cacb0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608198046}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11cacb0, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0b6ffed618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11cacb0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11cacb0, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608198046}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11cacb0, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11cacb0}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 112 'p', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f9a870, tiny = {__data = "p\250\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\341\213\000\000\000\000\000\000\260\002\000\000\000\000\000\000\020\331\376o\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123505036063272}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8be1, tiny = {__data = "\341\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\252~\215\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139681253474399}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13580b00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13580b00: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978d10, tiny = {__data = "\020\215\227\366\f\177", '\000' <repeats 18 times>, "\200\tX\023\r\177\000\000\260\vX\023\r\177\000\000`\vX\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13580b00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b6ffed9a0 "WriterPool10"}, _M_string_length = 12, {_M_local_buf = "WriterPool10\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978d10, tiny = {__data = "\020\215\227\366\f\177", '\000' <repeats 18 times>, "\200\tX\023\r\177\000\000\260\vX\023\r\177\000\000`\vX\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13580b00: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978d10, tiny = {__data = "\020\215\227\366\f\177", '\000' <repeats 18 times>, "\200\tX\023\r\177\000\000\260\vX\023\r\177\000\000`\vX\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0b6ffff700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b6ffff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139687100413696, -4771262700614340274, 0, 8392704, 0, 139687100413696, 4890854391198757198, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 120 (Thread 0x7f0b6f7fe700 (LWP 35810)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1870579224, absSteadyTime=absSteadyTime@entry=0x7f0b6f7ec5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11bf8f8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608205839}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11bf8f8, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0b6f7ec618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11bf8f8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11bf8f8, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608205839}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11bf8f8, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11bf8f8}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 80 'P', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f99b50, tiny = {__data = "P\233\371\301\b\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\342\213\000\000\000\000\000\000\270\002\000\000\000\000\000\000\020\311~o\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518987996837}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8be2, tiny = {__data = "\342\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\232\376\214\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13580b40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13580b40: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978d40, tiny = {__data = "@\215\227\366\f\177\000\000nt", '\000' <repeats 22 times>, "\001\000\000\000\000\000\000\000\020\vX\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13580b40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b6f7ec9a0 "WriterPool11"}, _M_string_length = 12, {_M_local_buf = "WriterPool11\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978d40, tiny = {__data = "@\215\227\366\f\177\000\000nt", '\000' <repeats 22 times>, "\001\000\000\000\000\000\000\000\020\vX\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13580b40: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978d40, tiny = {__data = "@\215\227\366\f\177\000\000nt", '\000' <repeats 22 times>, "\001\000\000\000\000\000\000\000\020\vX\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0b6f7fe700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b6f7fe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139687092020992, -4771262700614340274, 0, 8392704, 0, 139687092020992, 4890855490173514062, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 119 (Thread 0x7f0b6effd700 (LWP 35811)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1862186520, absSteadyTime=absSteadyTime@entry=0x7f0b6efeb5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c0a50) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608209732}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c0a50, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0b6efeb618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c0a50) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c0a50, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608209732}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c0a50, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c0a50}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -80 '\260', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08eaa6e8b0, tiny = {__data = "\260\350\246\352\b\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\343\213\000\000\000\000\000\000\300\002\000\000\000\000\000\000\020\271\376n\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518985602225}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8be3, tiny = {__data = "\343\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p*^\357\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185566976}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13580b80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13580b80: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978d70, tiny = {__data = "p\215\227\366\f\177\000\000\r\000\000\000\000\000\000\000executionTime", '\000' <repeats 18 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13580b80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b6efeb9a0 "WriterPool12"}, _M_string_length = 12, {_M_local_buf = "WriterPool12\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978d70, tiny = {__data = "p\215\227\366\f\177\000\000\r\000\000\000\000\000\000\000executionTime", '\000' <repeats 18 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13580b80: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978d70, tiny = {__data = "p\215\227\366\f\177\000\000\r\000\000\000\000\000\000\000executionTime", '\000' <repeats 18 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0b6effd700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b6effd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139687083628288, -4771262700614340274, 0, 8392704, 0, 139687083628288, 4890852188954276174, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 118 (Thread 0x7f0b6e7fc700 (LWP 35812)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1853793816, absSteadyTime=absSteadyTime@entry=0x7f0b6e7ea5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c7980) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608212899}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c7980, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0b6e7ea618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c7980) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c7980, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608212899}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c7980, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c7980}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 96 '`', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08eaa6e760, tiny = {__data = "`\347\246\352\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\344\213\000\000\000\000\000\000\310\002\000\000\000\000\000\000\020\251~n\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518997539875}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8be4, tiny = {__data = "\344\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\032\336\356\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13580bc0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13580bc0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978da0, tiny = {__data = "\240\215\227\366\f\177\000\000\000\000\000\000\000\000\000\000\340\vX\023\r\177\000\000\v\000\000\000\000\000\000\000elapsedTime\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13580bc0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b6e7ea9a0 "WriterPool13"}, _M_string_length = 12, {_M_local_buf = "WriterPool13\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978da0, tiny = {__data = "\240\215\227\366\f\177\000\000\000\000\000\000\000\000\000\000\340\vX\023\r\177\000\000\v\000\000\000\000\000\000\000elapsedTime\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13580bc0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978da0, tiny = {__data = "\240\215\227\366\f\177\000\000\000\000\000\000\000\000\000\000\340\vX\023\r\177\000\000\v\000\000\000\000\000\000\000elapsedTime\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0b6e7fc700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b6e7fc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139687075235584, -4771262700614340274, 0, 8392704, 0, 139687075235584, 4890853287929033038, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 117 (Thread 0x7f0b6dffb700 (LWP 35813)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
No locals.
#1  0x00000000009e15d1 in __gthread_cond_timedwait (__abs_timeout=0x7f0b6dfe8160, __mutex=<optimized out>, __cond=0x7f087f602268) at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:872
No locals.
#2  __wait_until_impl<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__lock=..., __lock=..., __atime=..., this=0x7f087f602268) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:232
        __ts = {tv_sec = 1638524634, tv_nsec = 618766266}
#3  wait_until<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=0x7f087f602268) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:126
No locals.
#4  operator() (__closure=<synthetic pointer>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/lsm/lsm_tree.cc:349
        now = <optimized out>
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x7f0d1358a780}, <No data fields>}, <No data fields>}}, <No data fields>}}}
#5  magma::LSMTree::tryLevel0BlockingCompaction() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/lsm/lsm_tree.cc:364
        bt = {dest = 0x7f087ddd3030, start = {__d = {__r = 15123241631118009}}, name = 0x0, out = 0x0}
        lock = {_M_device = 0x7f087f6020f0, _M_owns = true}
        ratio = <optimized out>
        needsLevel0Compact = {__ratio = <synthetic pointer>, __this = 0x7f087f602000}
#6  0x00000000009e9e72 in add (autoFlush=false, rawVal=..., rawKey=..., op=magma::Update, this=0x7f087f602000) at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/lsm/lsm_tree.cc:316
No locals.
#7  magma::LSMTree::Write(magma::Operation, magma::Slice const&, magma::Slice const&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/lsm/lsm_tree.cc:1491
No locals.
#8  0x000000000097e08e in magma::KVStore::writeDocument(magma::Magma::WriteOperation const&, magma::WAL*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/kvstore/kvstore.cc:827
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
        doReplace = false
        walOffset = {SegID = 9494, SegOffset = 2445331}
        doValueSplitting = <optimized out>
        seqValue = {data = 0x7ef45b98bc00 "\f\030", len = 1425}
        seqKey = {data = 0x7f087d537d28 "", len = 8}
#9  0x000000000097e105 in magma::KVStore::write(magma::Magma::WriteOperation const&, magma::WAL*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/kvstore/kvstore.cc:630
No locals.
#10 0x000000000098c719 in magma::KVStore::WriteDocs(magma::WAL*, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const&, std::function<void (magma::Magma::WriteOperation const&, bool, magma::Slice)>, std::function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> ()>) ()
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/kvstore/write.cc:162
        i = 0
        lock = {_M_device = @0x7f087d537d30}
        kvID = 63
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
        deltas = {<std::_Vector_base<magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::DeltaInfo, std::allocator<magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::DeltaInfo> >> = {
            _M_impl = {<std::allocator<magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::DeltaInfo>> = {<__gnu_cxx::new_allocator<magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::DeltaInfo>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::DeltaInfo, std::allocator<magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::DeltaInfo> >::_Vector_impl_data> = {_M_start = 0x7f088e299490, _M_finish = 0x7f088e2994a0, _M_end_of_storage = 0x7f088e2994a0}, <No data fields>}}, <No data fields>}
        rstats = {NBytesOutgoing = 0, NReadBytes = 0, NReadIOs = 0, NDataBlockReads = 0, NIndexBlockReads = 0}
        postOps = 0x7f0b6dfe8a40
        doWALAbort = true
        doAbortTxn = true
        _ = {fn = {<std::_Maybe_unary_or_binary_function<void>> = {<No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x7f075a1ce100, _M_const_object = 0x7f075a1ce100, _M_function_pointer = 0x7f075a1ce100, _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x7f075a1ce100}, 
                _M_pod_data = "\000\341\034Z\a\177\000\000\000\000\000\000\000\000\000"}, _M_manager = 0x98bbb0 <std::_Function_handler<void(), magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::<lambda()> >::_M_manager(std::_Any_data &, const std::_Any_data &, std::_Manager_operation)>}, 
            _M_invoker = 0x98bb70 <std::_Function_handler<void(), magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::<lambda()> >::_M_invoke(const std::_Any_data &)>}}
        deltaSeqnoFmt = {seqno = 0, buf = "\000\000\000\000\000\000\000"}
        deltaValFmt = {fields = 0 '\000', key = {data = 0x0, len = 0}, meta = {data = 0x0, len = 0}, value = {data = 0x0, len = 0}, logicalSize = 1675206976, buffer = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b6dfe8610 ""}, _M_string_length = 0, {
              _M_local_buf = "\000\000\000\000\000\000\000\000\311\065\271\000\000\000\000", _M_allocated_capacity = 0}}}
#11 0x0000000000952f55 in magma::Magma::Impl::WriteDocs(unsigned short, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const&, unsigned int, std::function<void (magma::Magma::WriteOperation const&, bool, magma::Slice)>, std::function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> ()>) ()
    at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
        kvstore = {<std::__shared_ptr<magma::KVStore, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::KVStore, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f087d537b10, _M_refcount = {_M_pi = 0x7f087d537b00}}, <No data fields>}
#12 0x0000000000953102 in magma::Magma::WriteDocs(unsigned short, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const&, unsigned int, std::function<void (magma::Magma::WriteOperation const&, bool, magma::Slice)>, std::function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> ()>) ()
    at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
No locals.
#13 0x0000000000890ef4 in MagmaMemoryTrackingProxy::WriteDocs(unsigned short, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const&, unsigned int, std::function<void (magma::Magma::WriteOperation const&, bool, magma::Slice)>, std::function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> ()>) ()
    at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
        wrappedDocCallback = {<std::_Maybe_unary_or_binary_function<void, magma::Magma::WriteOperation const&, bool, magma::Slice>> = {<No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x7f0b6dfe8aa0, _M_const_object = 0x7f0b6dfe8aa0, _M_function_pointer = 0x7f0b6dfe8aa0, 
                _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x7f0b6dfe8aa0, this adjustment 139687066766032}, _M_pod_data = "\240\212\376m\v\177\000\000Њ\376m\v\177\000"}, 
            _M_manager = 0x88f9a0 <std::_Function_handler<void(const magma::Magma::WriteOperation&, bool, magma::Slice), MagmaMemoryTrackingProxy::WriteDocs(magma::Magma::KVStoreID, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::KVStoreRevision, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::<lambda(const magma::Magma::WriteOperation&, bool, magma::Slice)> >::_M_manager(std::_Any_data &, const std::_Any_data &, std::_Manager_operation)>}, 
          _M_invoker = 0x88f810 <std::_Function_handler<void (magma::Magma::WriteOperation const&, bool, magma::Slice), MagmaMemoryTrackingProxy::WriteDocs(unsigned short, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const&, unsigned int, std::function<void (magma::Magma::WriteOperation const&, bool, magma::Slice)>, std::function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> ()>)::{lambda(magma::Magma::WriteOperation const&, bool, magma::Slice)#1}>::_M_invoke(std::_Any_data const&, magma::Magma::WriteOperation const&, bool&&, magma::Slice&&)>}
        wrappedPostCallback = {<std::_Maybe_unary_or_binary_function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> >> = {<No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x7f0b6dfe8ac0, _M_const_object = 0x7f0b6dfe8ac0, 
                _M_function_pointer = 0x7f0b6dfe8ac0, _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x7f0b6dfe8ac0, this adjustment 139687066766032}, _M_pod_data = "\300\212\376m\v\177\000\000Њ\376m\v\177\000"}, 
            _M_manager = 0x88f9e0 <std::_Function_handler<std::pair<magma::Status, const std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> >*>(), MagmaMemoryTrackingProxy::WriteDocs(magma::Magma::KVStoreID, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::KVStoreRevision, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::<lambda()> >::_M_manager(std::_Any_data &, const std::_Any_data &, std::_Manager_operation)>}, 
          _M_invoker = 0x88f890 <std::_Function_handler<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> (), MagmaMemoryTrackingProxy::WriteDocs(unsigned short, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const&, unsigned int, std::function<void (magma::Magma::WriteOperation const&, bool, magma::Slice)>, std::function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> ()>)::{lambda()#2}>::_M_invoke(std::_Any_data const&)>}
        domainGuard = {previous = cb::Primary}
#14 0x0000000000878d9f in MagmaKVStore::saveDocs(MagmaKVStoreTransactionContext&, VB::Commit&, kvstats_ctx&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/include/memcached/vbucket.h:62
        ninserts = 1
        ndeletes = 0
        vbid = {vbid = 63}
        writeDocsCB = <optimized out>
        localDbReqs = {<std::_Vector_base<MagmaKVStore::MagmaLocalReq, std::allocator<MagmaKVStore::MagmaLocalReq> >> = {_M_impl = {<std::allocator<MagmaKVStore::MagmaLocalReq>> = {<__gnu_cxx::new_allocator<MagmaKVStore::MagmaLocalReq>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<MagmaKVStore::MagmaLocalReq, std::allocator<MagmaKVStore::MagmaLocalReq> >::_Vector_impl_data> = {
                _M_start = 0x7f08e7877a40, _M_finish = 0x7f08e7877ad0, _M_end_of_storage = 0x7f08e7877ad0}, <No data fields>}}, <No data fields>}
        magmaDbStats = {<magma::UserStats> = {_vptr.UserStats = 0x105cb80 <vtable for MagmaDbStats+16>}, docCount = 1, purgeSeqno = {<ThrowExceptionPolicy<unsigned long>> = {label = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b6dfe8b10 "unlabelled"}, _M_string_length = 10, {
                  _M_local_buf = "unlabelled\000\000\000\000\000", _M_allocated_capacity = 7812730926796664437}}}, val = 0}}
        postWriteOps = {<std::_Vector_base<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> >> = {_M_impl = {<std::allocator<magma::Magma::WriteOperation>> = {<__gnu_cxx::new_allocator<magma::Magma::WriteOperation>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> >::_Vector_impl_data> = {
                _M_start = 0x7f087c194d00, _M_finish = 0x7f087c194e38, _M_end_of_storage = 0x7f087c194ea0}, <No data fields>}}, <No data fields>}
        lastSeqno = 8358907
        beginTime = {__d = {__r = 15123241631109390}}
        saveDocsDuration = {__r = 161}
        postWriteDocsCB = {__this = <optimized out>, __commitData = <optimized out>, __localDbReqs = @0x7f0b6dfe8a20, __lastSeqno = @0x7f0b6dfe89f8, __vbid = <optimized out>, __ninserts = <optimized out>, __ndeletes = <optimized out>, __magmaDbStats = <optimized out>, __beginTime = <optimized out>, __saveDocsDuration = <optimized out>, __postWriteOps = <optimized out>}
        ctx = <optimized out>
        writeOps = {<std::_Vector_base<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> >> = {_M_impl = {<std::allocator<magma::Magma::WriteOperation>> = {<__gnu_cxx::new_allocator<magma::Magma::WriteOperation>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> >::_Vector_impl_data> = {
                _M_start = 0x7f01cabd22f0, _M_finish = 0x7f01cabd2358, _M_end_of_storage = 0x7f01cabd2358}, <No data fields>}}, <No data fields>}
        getDroppedStatus = <unknown type in /usr/lib/debug/opt/couchbase/bin/memcached-7.1.0-1817.x86_64.debug, CU 0x5a532c8, DIE 0x5c4cd67>
        dropped = <unknown type in /usr/lib/debug/opt/couchbase/bin/memcached-7.1.0-1817.x86_64.debug, CU 0x5a532c8, DIE 0x5c4cd78>
        manifestResult = {<std::__pair_base<bool, Monotonic<unsigned long, ThrowExceptionPolicy, cb::greater_equal> >> = {<No data fields>}, first = true, second = {<ThrowExceptionPolicy<unsigned long>> = {label = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b6dfe8b48 "unlabelled"}, 
                _M_string_length = 10, {_M_local_buf = "unlabelled\000\000\000\000\000", _M_allocated_capacity = 7812730926796664437}}}, val = 50}}
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x3f}, <No data fields>}, <No data fields>}}, <No data fields>}}}
#15 0x00000000008718ff in MagmaKVStore::commit(std::unique_ptr<TransactionContext, std::default_delete<TransactionContext> >, VB::Commit&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kvstore/magma-kvstore/magma-kvstore.cc:711
        ctx = @0x7ef8c1e0c380: {<TransactionContext> = {_vptr.TransactionContext = 0x105ba48 <vtable for MagmaKVStoreTransactionContext+16>, kvstore = @0x7f0876e0ca00, vbid = {vbid = 63}, cb = {_M_t = {<std::__uniq_ptr_impl<PersistenceCallback, std::default_delete<PersistenceCallback> >> = {
                  _M_t = {<std::_Tuple_impl<0, PersistenceCallback*, std::default_delete<PersistenceCallback> >> = {<std::_Tuple_impl<1, std::default_delete<PersistenceCallback> >> = {<std::_Head_base<1, std::default_delete<PersistenceCallback>, true>> = {<std::default_delete<PersistenceCallback>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, PersistenceCallback*, false>> = {
                        _M_head_impl = 0x7ef3781906c0}, <No data fields>}, <No data fields>}}, <No data fields>}}}, pendingReqs = {<std::_Deque_base<MagmaRequest, std::allocator<MagmaRequest> >> = {_M_impl = {<std::allocator<MagmaRequest>> = {<__gnu_cxx::new_allocator<MagmaRequest>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<MagmaRequest, std::allocator<MagmaRequest> >::_Deque_impl_data> = {
                  _M_map = 0x7f076a9906c0, _M_map_size = 8, _M_start = {_M_cur = 0x7f08b6d1ee00, _M_first = 0x7f08b6d1ee00, _M_last = 0x7f08b6d1efe0, _M_node = 0x7f076a9906d8}, _M_finish = {_M_cur = 0x7f08b6d1ee60, _M_first = 0x7f08b6d1ee00, _M_last = 0x7f08b6d1efe0, _M_node = 0x7f076a9906d8}}, <No data fields>}}, <No data fields>}}
        kvctx = {commitData = @0x7f0b6dfe9070, onDiskPrepareDelta = 0, onDiskPrepareBytesDelta = 0}
        success = true
        errCode = <optimized out>
#16 0x000000000081b605 in EPBucket::commit(KVStoreIface&, std::unique_ptr<TransactionContext, std::default_delete<TransactionContext> >, VB::Commit&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_bucket.cc:927
        timer = {dest = 0x7f0d100005f8, start = {__d = {__r = 15123241630947581}}, name = 0xc7ae21 "disk_commit", out = 0x0}
        commit_start = <optimized out>
        vbid = {vbid = 63}
        res = <optimized out>
        commit_time = <optimized out>
#17 0x00000000008242dd in EPBucket::flushVBucket_UNLOCKED(LockedVBucketPtr) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_bucket.cc:799
        vbid = {vbid = 63}
        toFlush = {items = {<std::_Vector_base<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> >, std::allocator<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> > > >> = {
              _M_impl = {<std::allocator<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> > >> = {<__gnu_cxx::new_allocator<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> > >> = {<No data fields>}, <No data fields>}, <std::_Vector_base<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> >, std::allocator<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> > > >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, ranges = {<std::_Vector_base<CheckpointSnapshotRange, std::allocator<CheckpointSnapshotRange> >> = {
              _M_impl = {<std::allocator<CheckpointSnapshotRange>> = {<__gnu_cxx::new_allocator<CheckpointSnapshotRange>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<CheckpointSnapshotRange, std::allocator<CheckpointSnapshotRange> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, moreAvailable = false, 
          maxDeletedRevSeqno = {<std::_Optional_base<unsigned long, true, true>> = {<std::_Optional_base_impl<unsigned long, std::_Optional_base<unsigned long, true, true> >> = {<No data fields>}, _M_payload = {<std::_Optional_payload_base<unsigned long>> = {_M_payload = {_M_empty = {<No data fields>}, _M_value = 63}, 
                  _M_engaged = true}, <No data fields>}}, <std::_Enable_copy_move<true, true, true, true, std::optional<unsigned long> >> = {<No data fields>}, <No data fields>}, checkpointType = Memory, flushHandle = {_M_t = {<std::__uniq_ptr_impl<FlushHandle, std::default_delete<FlushHandle> >> = {
                _M_t = {<std::_Tuple_impl<0, FlushHandle*, std::default_delete<FlushHandle> >> = {<std::_Tuple_impl<1, std::default_delete<FlushHandle> >> = {<std::_Head_base<1, std::default_delete<FlushHandle>, true>> = {<std::default_delete<FlushHandle>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, FlushHandle*, false>> = {
                      _M_head_impl = 0x7f067a310700}, <No data fields>}, <No data fields>}}, <No data fields>}}}
        moreAvailable = <optimized out>
        wakeupCheckpointRemover = <optimized out>
        range = <optimized out>
        rwUnderlying = 0x7f0876e0ca00
        ctx = {_M_t = {<std::__uniq_ptr_impl<TransactionContext, std::default_delete<TransactionContext> >> = {
              _M_t = {<std::_Tuple_impl<0, TransactionContext*, std::default_delete<TransactionContext> >> = {<std::_Tuple_impl<1, std::default_delete<TransactionContext> >> = {<std::_Head_base<1, std::default_delete<TransactionContext>, true>> = {<std::default_delete<TransactionContext>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, TransactionContext*, false>> = {
                    _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}
        mustDedupe = <optimized out>
        prev = <optimized out>
        persistedVbState = <optimized out>
        vbstate = {static CurrentVersion = 4, maxDeletedSeqno = {counter = {_M_elems = "?\000\000\000\000"}}, highSeqno = 8358906, purgeSeqno = 8185501, lastSnapStart = 8358906, lastSnapEnd = 8358906, maxCas = 1638465133146341376, hlcCasEpochSeqno = 1, mightContainXattrs = false, supportsNamespaces = true, version = 4, persistedCompletedSeqno = 0, persistedPreparedSeqno = 0, highPreparedSeqno = 0, 
          maxVisibleSeqno = 8358906, onDiskPrepares = 0, onDiskPrepareBytes = 0, checkpointType = Memory, transition = {failovers = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
                _M_p = 0x7f08f4769c00 "[{\"id\":87418223916956,\"seq\":8358049},{\"id\":12568435475122,\"seq\":8309283},{\"id\":258365911711763,\"seq\":8309283},{\"id\":73770447891945,\"seq\":8309276},{\"id\":120419166645439,\"seq\":8309276},{\"id\":89955350703"...}, _M_string_length = 915, {_M_local_buf = "\223\003", '\000' <repeats 13 times>, _M_allocated_capacity = 915}}, replicationTopology = {
              m_type = nlohmann::detail::null, m_value = {object = 0x0, array = 0x0, string = 0x0, binary = 0x0, boolean = false, number_integer = 0, number_unsigned = 0, number_float = 0}}, state = vbucket_state_replica}}
        logged = false
        callback = {__this = 0x7f0d100e2000, __logged = @0x7f0b6dfe8d95, __vbid = {vbid = <optimized out>}}
        writeOp = <optimized out>
        commitData = {collections = {collections = {
              _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0b6dfe90a0, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, 
                _M_single_bucket = 0x0}}, scopes = {
              _M_h = {<std::__detail::_Hashtable_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::__detail::_Select1st, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<ScopeID>, true>> = {<std::hash<ScopeID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<ScopeID>, true>> = {<std::equal_to<ScopeID>> = {<std::binary_function<ScopeID, ScopeID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, Collections::KVStore::OpenScope>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, Collections::KVStore::OpenScope>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, Collections::KVStore::OpenScope>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<ScopeID const, Collections::KVStore::OpenScope>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0b6dfe90d8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, 
                _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, droppedScopes = {
              _M_h = {<std::__detail::_Hashtable_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::__detail::_Select1st, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<ScopeID>, true>> = {<std::hash<ScopeID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<ScopeID>, true>> = {<std::equal_to<ScopeID>> = {<std::binary_function<ScopeID, ScopeID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, unsigned long>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, unsigned long>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, unsigned long>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<ScopeID const, unsigned long>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0b6dfe9110, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, flushAccounting = {stats = {
                _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, 
                  _M_buckets = 0x7f0d100b1540, _M_bucket_count = 13, _M_before_begin = {_M_nxt = 0x7f0d0830c0c0}, _M_element_count = 1, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 13}, _M_single_bucket = 0x0}}, droppedStats = {
                _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, 
                  _M_buckets = 0x7f0b6dfe9180, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, droppedCollections = {
                _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0b6dfe91b8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, 
                    _M_next_resize = 0}, _M_single_bucket = 0x0}}, droppedInStore = {
                _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0b6dfe91f0, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, 
                    _M_next_resize = 0}, _M_single_bucket = 0x0}}}, manifestUid = {<ThrowExceptionPolicy<unsigned long>> = {label = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b6dfe9208 "unlabelled"}, _M_string_length = 10, {_M_local_buf = "unlabelled\000\000\000\000\000", 
                    _M_allocated_capacity = 7812730926796664437}}}, val = 50}, 
            manifest = {<std::_Reference_wrapper_base_memfun<Collections::VB::Manifest, false>> = {<std::_Reference_wrapper_base<Collections::VB::Manifest>> = {<std::_Weak_result_type<Collections::VB::Manifest>> = {<std::_Weak_result_type_memfun<Collections::VB::Manifest, false>> = {<std::_Weak_result_type_impl<Collections::VB::Manifest>> = {<std::_Maybe_get_result_type<Collections::VB::Manifest, void>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::_Refwrap_base_arg1<Collections::VB::Manifest, void>> = {<No data fields>}, <std::_Refwrap_base_arg2<Collections::VB::Manifest, void>> = {<No data fields>}, <No data fields>}, <No data fields>}, _M_data = 0x7f0d101f9e20}, nonEmptyDroppedCollections = 0, needsMetaCommit = false}, writeOp = Upsert, proposedVBState = {
            static CurrentVersion = 4, maxDeletedSeqno = {counter = {_M_elems = "?\000\000\000\000"}}, highSeqno = 8358907, purgeSeqno = 8185501, lastSnapStart = 8358907, lastSnapEnd = 8358907, maxCas = 1638465133272367104, hlcCasEpochSeqno = 1, mightContainXattrs = false, supportsNamespaces = true, version = 4, persistedCompletedSeqno = 0, persistedPreparedSeqno = 0, highPreparedSeqno = 0, 
            maxVisibleSeqno = 8358907, onDiskPrepares = 0, onDiskPrepareBytes = 0, checkpointType = Memory, transition = {failovers = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
                  _M_p = 0x7f08e154b800 "[{\"id\":87418223916956,\"seq\":8358049},{\"id\":12568435475122,\"seq\":8309283},{\"id\":258365911711763,\"seq\":8309283},{\"id\":73770447891945,\"seq\":8309276},{\"id\":120419166645439,\"seq\":8309276},{\"id\":89955350703"...}, _M_string_length = 915, {_M_local_buf = "\223\003\000\000\000\000\000\000H\203@\026\r\177\000", _M_allocated_capacity = 915}}, 
              replicationTopology = {m_type = nlohmann::detail::null, m_value = {object = 0x0, array = 0x0, string = 0x0, binary = 0x0, boolean = false, number_integer = 0, number_unsigned = 0, number_float = 0}}, state = vbucket_state_replica}}, 
          sysErrorCallback = {<std::_Maybe_unary_or_binary_function<bool, std::system_error const&>> = {<std::unary_function<std::system_error const&, bool>> = {<No data fields>}, <No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x7f07114288a0, _M_const_object = 0x7f07114288a0, _M_function_pointer = 0x7f07114288a0, 
                  _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x7f07114288a0, this adjustment 139676124008320}, _M_pod_data = "\240\210B\021\a\177\000\000\200O\301\341\b\177\000"}, 
              _M_manager = 0x819040 <std::_Function_handler<bool(const std::system_error&), EPBucket::flushVBucket_UNLOCKED(LockedVBucketPtr)::<lambda(const std::system_error&)> >::_M_manager(std::_Any_data &, const std::_Any_data &, std::_Manager_operation)>}, 
            _M_invoker = 0x818ee0 <std::_Function_handler<bool(const std::system_error&), EPBucket::flushVBucket_UNLOCKED(LockedVBucketPtr)::<lambda(const std::system_error&)> >::_M_invoke(const std::_Any_data &, const std::system_error &)>}}
        proposedVBState = @0x7f0b6dfe9238: {static CurrentVersion = 4, maxDeletedSeqno = {counter = {_M_elems = "?\000\000\000\000"}}, highSeqno = 8358907, purgeSeqno = 8185501, lastSnapStart = 8358907, lastSnapEnd = 8358907, maxCas = 1638465133272367104, hlcCasEpochSeqno = 1, mightContainXattrs = false, supportsNamespaces = true, version = 4, persistedCompletedSeqno = 0, persistedPreparedSeqno = 0, 
          highPreparedSeqno = 0, maxVisibleSeqno = 8358907, onDiskPrepares = 0, onDiskPrepareBytes = 0, checkpointType = Memory, transition = {failovers = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
                _M_p = 0x7f08e154b800 "[{\"id\":87418223916956,\"seq\":8358049},{\"id\":12568435475122,\"seq\":8309283},{\"id\":258365911711763,\"seq\":8309283},{\"id\":73770447891945,\"seq\":8309276},{\"id\":120419166645439,\"seq\":8309276},{\"id\":89955350703"...}, _M_string_length = 915, {_M_local_buf = "\223\003\000\000\000\000\000\000H\203@\026\r\177\000", _M_allocated_capacity = 915}}, 
            replicationTopology = {m_type = nlohmann::detail::null, m_value = {object = 0x0, array = 0x0, string = 0x0, binary = 0x0, boolean = false, number_integer = 0, number_unsigned = 0, number_float = 0}}, state = vbucket_state_replica}}
        maxSeqno = <optimized out>
        maxVbStateOpCas = <optimized out>
        minSeqno = <optimized out>
        flushBatchSize = <optimized out>
        mustPersistVBState = <optimized out>
        hcs = <optimized out>
        hps = <optimized out>
        maxVisibleSeqno = {<ThrowExceptionPolicy<unsigned long>> = {label = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b6dfe8e50 "unlabelled"}, _M_string_length = 10, {_M_local_buf = "unlabelled\000\000\000\000\000", _M_allocated_capacity = 7812730926796664437}}}, val = 8358907}
        aggStats = {numItems = 1, totalBytes = 1526, totalAgeInMilliseconds = 15123241630}
        highSeqno = <optimized out>
#18 0x0000000000824daf in EPBucket::flushVBucket(Vbid) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_bucket.cc:376
        vb = {vb = {<std::__shared_ptr<VBucket, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<VBucket, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, lock = {_M_device = 0x0, _M_owns = false}}
#19 0x00000000006d7920 in Flusher::flushVB (this=0x7f0863710100) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/flusher.cc:285
        vbid = {vbid = 63}
#20 0x00000000006d8270 in Flusher::step(GlobalTask*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/flusher.cc:200
        more = <optimized out>
        currentState = Flusher::Running
#21 0x0000000000a9eeb2 in GlobalTask::execute() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/globaltask.cc:68
        guard = {previous = 0x0}
#22 0x0000000000a9c0c5 in FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}::operator()() const (__closure=0x7f0b6dfe9840) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:189
        scheduleOverhead = <optimized out>
        start = {__d = {__r = 15123241630930979}}
        runAgain = false
        proxy = @0x7f08c1f9a720: {<folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >::Callback> = {<boost::intrusive::list_base_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)2> >> = {<boost::intrusive::generic_hook<(boost::intrusive::algo_types)0, boost::intrusive::list_node_traits<void*>, boost::intrusive::dft_tag, (boost::intrusive::link_mode_type)2, (boost::intrusive::base_hook_type)1>> = {<boost::intrusive::node_holder<boost::intrusive::list_node<void*>, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::list_node<void*>> = {next_ = 0x0, 
                    prev_ = 0x0}, <No data fields>}, <boost::intrusive::hook_tags_definer<boost::intrusive::generic_hook<(boost::intrusive::algo_types)0, boost::intrusive::list_node_traits<void*>, boost::intrusive::dft_tag, (boost::intrusive::link_mode_type)2, (boost::intrusive::base_hook_type)1>, 1>> = {<No data fields>}, <No data fields>}, <No data fields>}, 
            _vptr.Callback = 0xca2b48 <vtable for FollyExecutorPool::TaskProxy+16>, wheel_ = 0x0, expiration_ = {__d = {__r = 0}}, bucket_ = -1, requestContext_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, 
          task = {<std::__shared_ptr<GlobalTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<GlobalTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0863fd22f0, _M_refcount = {_M_pi = 0x7f0863fd22e0}}, <No data fields>}, taskId = 2018, scheduledOnCpuPool = true, executor = @0x7f0d13dfea00, cpuPool = @0x7f0d134fa400}
#23 0x0000000000bf0c60 in operator() (this=0x7f0b6dfe9840) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
        fn = @0x7f0b6dfe9840: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f9a720, tiny = {__data = " \247\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\345\213\000\000\000\000\000\000\320\002\000\000\000\000\000\000\020\231\376m\v\177\000", __align = {<No data fields>}}}, 
          call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}
#24 folly::ThreadPoolExecutor::runTask(std::shared_ptr<folly::ThreadPoolExecutor::Thread> const&, folly::ThreadPoolExecutor::Task&&) (this=this@entry=0x7f0d134fa400, thread=..., task=task@entry=<unknown type in /usr/lib/debug/opt/couchbase/bin/memcached-7.1.0-1817.x86_64.debug, CU 0xa120c30, DIE 0xa1a4b65>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/ThreadPoolExecutor.cpp:97
        rctx = {prev_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}
        startTime = {__d = {__r = 15123241630930407}}
        stats = {expired = false, waitTime = {__r = 4749}, runTime = {__r = 0}, enqueueTime = {__d = {__r = 15123241630925658}}, requestId = 0}
#25 0x0000000000bd8a1a in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:265
        task = {storage_ = {{emptyState = 32 ' ', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f9a720, tiny = {__data = " \247\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\345\213\000\000\000\000\000\000\320\002\000\000\000\000\000\000\020\231\376m\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123241630925658}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8be5, tiny = {__data = "\345\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\n^\356\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185412480}}, hasValue = true}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#26 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#27 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#28 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#29 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#30 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#31 0x0000000000a9bd54 in operator() (this=0x7f0d13580c00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13580c00: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978dd0, tiny = {__data = "Ѝ\227\366\f\177\000\000@\bX\023\r\177", '\000' <repeats 18 times>, "\060\fX\023\r\177\000\000\a\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#32 operator() (__closure=0x7f0d13580c00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b6dfe99a0 "WriterPool14"}, _M_string_length = 12, {_M_local_buf = "WriterPool14\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978dd0, tiny = {__data = "Ѝ\227\366\f\177\000\000@\bX\023\r\177", '\000' <repeats 18 times>, "\060\fX\023\r\177\000\000\a\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#33 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13580c00: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978dd0, tiny = {__data = "Ѝ\227\366\f\177\000\000@\bX\023\r\177", '\000' <repeats 18 times>, "\060\fX\023\r\177\000\000\a\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#34 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#35 0x00007f0d18faeea5 in start_thread (arg=0x7f0b6dffb700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b6dffb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139687066842880, -4771262700614340274, 0, 8392704, 0, 139687066842880, 4890849991004762446, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#36 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 116 (Thread 0x7f0b6d7fa700 (LWP 35814)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1837008408, absSteadyTime=absSteadyTime@entry=0x7f0b6d7e85f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c6a98) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608220102}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c6a98, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0b6d7e8618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c6a98) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c6a98, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608220102}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c6a98, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c6a98}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 0 '\000', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08d2248400, tiny = {__data = "\000\204$\322\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\346\213\000\000\000\000\000\000\330\002\000\000\000\000\000\000\020\211~m\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518035538237}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8be6, tiny = {__data = "\346\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\372\335\355\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139681253474399}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13580c40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13580c40: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978e00, tiny = {__data = "\000\216\227\366\f\177", '\000' <repeats 18 times>, "\200\377W\023\r\177\000\000\360\fX\023\r\177\000\000\240\fX\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13580c40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b6d7e89a0 "WriterPool15"}, _M_string_length = 12, {_M_local_buf = "WriterPool15\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978e00, tiny = {__data = "\000\216\227\366\f\177", '\000' <repeats 18 times>, "\200\377W\023\r\177\000\000\360\fX\023\r\177\000\000\240\fX\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13580c40: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978e00, tiny = {__data = "\000\216\227\366\f\177", '\000' <repeats 18 times>, "\200\377W\023\r\177\000\000\360\fX\023\r\177\000\000\240\fX\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0b6d7fa700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b6d7fa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139687058450176, -4771262700614340274, 0, 8392704, 0, 139687058450176, 4890851089979519310, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 115 (Thread 0x7f0b6cff9700 (LWP 35815)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
No locals.
#1  0x00007f0d18fb0e9b in _L_lock_883 () from /lib64/libpthread.so.0
No symbol table info available.
#2  0x00007f0d18fb0d68 in __GI___pthread_mutex_lock (mutex=0x7f08f0b67170) at ../nptl/pthread_mutex_lock.c:78
        type = 0
        id = <optimized out>
#3  0x0000000000943fd4 in __gthread_mutex_lock (__mutex=0x7f08f0b67170) at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:749
No locals.
#4  lock (this=0x7f08f0b67170) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_mutex.h:100
        __e = <optimized out>
#5  lock (this=0x7f0b6cfe6fd0) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/unique_lock.h:138
No locals.
#6  unique_lock (__m=..., this=0x7f0b6cfe6fd0) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/unique_lock.h:68
No locals.
#7  GetStats (cacheDuration=..., magmaStats=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/db_stats.cc:352
        lock = {_M_device = 0x7f08f0b67170, _M_owns = false}
        now = <optimized out>
#8  magma::Magma::GetStats(magma::Magma::MagmaStats&, std::chrono::duration<long, std::ratio<1l, 1000l> >) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/db_stats.cc:368
No locals.
#9  0x00000000008908e0 in MagmaMemoryTrackingProxy::GetStats(std::chrono::duration<long, std::ratio<1l, 1000l> >) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kvstore/magma-kvstore/magma-memory-tracking-proxy.cc:248
        domainGuard = {previous = cb::Primary}
        stats = {_M_t = {<std::__uniq_ptr_impl<magma::Magma::MagmaStats, DomainAwareDelete<magma::Magma::MagmaStats> >> = {
              _M_t = {<std::_Tuple_impl<0, magma::Magma::MagmaStats*, DomainAwareDelete<magma::Magma::MagmaStats> >> = {<std::_Tuple_impl<1, DomainAwareDelete<magma::Magma::MagmaStats> >> = {<std::_Head_base<1, DomainAwareDelete<magma::Magma::MagmaStats>, true>> = {<DomainAwareDelete<magma::Magma::MagmaStats>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Magma::MagmaStats*, false>> = {_M_head_impl = 0x7f077e212000}, <No data fields>}, <No data fields>}}, <No data fields>}}
#10 0x000000000086eca0 in MagmaKVStore::getAggrDbFileInfo (this=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kvstore/magma-kvstore/magma-kvstore.cc:3130
        stats = {_M_t = {<std::__uniq_ptr_impl<magma::Magma::MagmaStats, DomainAwareDelete<magma::Magma::MagmaStats> >> = {
              _M_t = {<std::_Tuple_impl<0, magma::Magma::MagmaStats*, DomainAwareDelete<magma::Magma::MagmaStats> >> = {<std::_Tuple_impl<1, DomainAwareDelete<magma::Magma::MagmaStats> >> = {<std::_Head_base<1, DomainAwareDelete<magma::Magma::MagmaStats>, true>> = {<DomainAwareDelete<magma::Magma::MagmaStats>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Magma::MagmaStats*, false>> = {_M_head_impl = 0x7f077e212000}, <No data fields>}, <No data fields>}}, <No data fields>}}
        vbinfo = {fileSize = 38370992128, spaceUsed = 22441149776, prepareBytes = 0}
#11 0x000000000081f0f5 in EPBucket::getFileStats(BucketStatCollector const&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kvshard.h:72
        dbInfo = {fileSize = 38370992128, spaceUsed = 22441149776, prepareBytes = 0}
        shardId = <optimized out>
        numShards = 72
        totalInfo = {fileSize = 136937390080, spaceUsed = 77913484824, prepareBytes = 0}
#12 0x00000000006b310b in EventuallyPersistentEngine::doEngineStatsLowCardinality(BucketStatCollector const&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_engine.cc:3128
        epstats = @0x7f0d10000058: {warmedUpKeys = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 48555900}, static is_always_lock_free = true}}, warmedUpValues = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 48555900}, static is_always_lock_free = true}}, warmedUpPrepares = {value = {<std::__atomic_base<unsigned long>> = {
                static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, warmupItemsVisitedWhilstLoadingPrepares = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, warmDups = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, warmOOM = {
            value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, warmupMemUsedCap = {static _S_min_alignment = 8, static _S_alignment = 8, _M_i = 1, static is_always_lock_free = <optimized out>}, warmupNumReadCap = {static _S_min_alignment = 8, static _S_alignment = 8, _M_i = 1, static is_always_lock_free = <optimized out>}, 
          diskQueueSize = {<cb::ThrowExceptionUnderflowPolicy<unsigned long>> = {<No data fields>}, value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 157027}, static is_always_lock_free = true}}, flusher_todo = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, flusherCommits = {
            value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 13035457}, static is_always_lock_free = true}}, cumulativeFlushTime = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 35587923}, static is_always_lock_free = true}}, cumulativeCommitTime = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 35329434}, 
              static is_always_lock_free = true}}, tooYoung = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, tooOld = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, totalPersisted = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, 
                _M_i = 34025731}, static is_always_lock_free = true}}, totalPersistVBState = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 13035457}, static is_always_lock_free = true}}, totalEnqueued = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 34241696}, static is_always_lock_free = true}}, totalDeduplicated = {
            value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 244337}, static is_always_lock_free = true}}, flushFailed = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, flushExpired = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, 
          expired_access = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, expired_compactor = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, expired_pager = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
              static is_always_lock_free = true}}, beginFailed = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, commitFailed = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, dirtyAge = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 3}, 
            static is_always_lock_free = true}, dirtyAgeHighWat = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 20372}, static is_always_lock_free = true}, commit_time = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, vbucketDeletions = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 106}, 
              static is_always_lock_free = true}}, vbucketDeletionFail = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, mem_low_wat = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 80530636800}, static is_always_lock_free = true}, mem_low_wat_percent = {static _S_min_alignment = 8, static _S_alignment = 8, 
            _M_i = 0.75, static is_always_lock_free = <optimized out>}, mem_high_wat = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 91268055040}, static is_always_lock_free = true}, mem_high_wat_percent = {static _S_min_alignment = 8, static _S_alignment = 8, _M_i = 0.84999999999999998, static is_always_lock_free = <optimized out>}, cursorsDropped = {
            value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, memFreedByCheckpointRemoval = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 27985082980}, static is_always_lock_free = true}, memFreedByCheckpointItemExpel = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
              static is_always_lock_free = true}}, pagerRuns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 2}, static is_always_lock_free = true}}, expiryPagerRuns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 3}, static is_always_lock_free = true}}, freqDecayerRuns = {value = {<std::__atomic_base<unsigned long>> = {
                static _S_alignment = 8, _M_i = 1}, static is_always_lock_free = true}}, itemsExpelledFromCheckpoints = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, itemsRemovedFromCheckpoints = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 24118482}, static is_always_lock_free = true}}, 
          numValueEjects = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 19506418}, static is_always_lock_free = true}}, numFailedEjects = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 1112124}, static is_always_lock_free = true}}, numNotMyVBuckets = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 291}, 
              static is_always_lock_free = true}}, coreLocal = {coreArray = {<std::_Vector_base<folly::aligned<CoreLocalStats, 64>, std::allocator<folly::aligned<CoreLocalStats, 64> > >> = {
                _M_impl = {<std::allocator<folly::aligned<CoreLocalStats, 64> >> = {<__gnu_cxx::new_allocator<folly::aligned<CoreLocalStats, 64> >> = {<No data fields>}, <No data fields>}, <std::_Vector_base<folly::aligned<CoreLocalStats, 64>, std::allocator<folly::aligned<CoreLocalStats, 64> > >::_Vector_impl_data> = {_M_start = 0x7f0d1000a000, _M_finish = 0x7f0d1000d600, 
                    _M_end_of_storage = 0x7f0d1000d600}, <No data fields>}}, <No data fields>}}, replicaHTMemory = {value = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, replicaCheckpointOverhead = {value = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, forceShutdown = {_M_base = {
              static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, oom_errors = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, tmp_oom_errors = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, pendingOps = {
            value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, pendingOpsTotal = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, pendingOpsMax = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, 
          pendingOpsMaxDuration = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, pendingOpsHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036000}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 49, static tls_lastDeferredReaderSlot = 49, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, pendingCompactions = {
            value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, bg_fetched = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 9139390}, static is_always_lock_free = true}}, bg_meta_fetched = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 4572495}, 
              static is_always_lock_free = true}}, numRemainingBgItems = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, numRemainingBgJobs = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, bgNumOperations = {value = {<std::__atomic_base<unsigned long>> = {
                static _S_alignment = 8, _M_i = 13711885}, static is_always_lock_free = true}}, bgWait = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 4205612781}, static is_always_lock_free = true}, bgMinWait = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 1}, static is_always_lock_free = true}, bgMaxWait = {<std::__atomic_base<unsigned long>> = {
              static _S_alignment = 8, _M_i = 259159}, static is_always_lock_free = true}, bgWaitHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d100360c0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 49, static tls_lastDeferredReaderSlot = 49, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          bgLoad = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 6402203182}, static is_always_lock_free = true}, bgMinLoad = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 5}, static is_always_lock_free = true}, bgMaxLoad = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 255279}, static is_always_lock_free = true}, 
          bgLoadHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036180}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 49, static tls_lastDeferredReaderSlot = 49, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          vbucketDelMaxWalltime = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 1416393}, static is_always_lock_free = true}, vbucketDelTotWalltime = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 66089341}, static is_always_lock_free = true}, setWithMetaHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036240}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 49, static tls_lastDeferredReaderSlot = 49, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, accessScannerHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036300}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 49, static tls_lastDeferredReaderSlot = 49, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, checkpointRemoverHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d100363c0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 49, static tls_lastDeferredReaderSlot = 49, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, itemPagerHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036480}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 49, static tls_lastDeferredReaderSlot = 49, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, expiryPagerHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036540}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 49, static tls_lastDeferredReaderSlot = 49, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, replicationThrottleThreshold = {
            static _S_min_alignment = 8, static _S_alignment = 8, _M_i = 0.98999999999999999, static is_always_lock_free = <optimized out>}, numOpsStore = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 9145588}, static is_always_lock_free = true}}, numOpsDelete = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 4576209}, 
              static is_always_lock_free = true}}, numOpsGet = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, numOpsGetMeta = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, numOpsSetMeta = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, 
                _M_i = 0}, static is_always_lock_free = true}}, numOpsDelMeta = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, numOpsSetMetaResolutionFailed = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, numOpsDelMetaResolutionFailed = {
            value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, numOpsSetRetMeta = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, numOpsDelRetMeta = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, 
          numOpsGetMetaOnSetWithMeta = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, alogRuns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 72}, static is_always_lock_free = true}}, accessScannerSkips = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
              static is_always_lock_free = true}}, alogNumItems = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 961103}, static is_always_lock_free = true}}, alogTime = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 1638583200}, static is_always_lock_free = true}, alogRuntime = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, 
            static is_always_lock_free = true}, expPagerTime = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 1638465438}, static is_always_lock_free = true}, isShutdown = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, rollbackCount = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 17}, 
              static is_always_lock_free = true}}, defragNumVisited = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 1082414}, static is_always_lock_free = true}}, defragNumMoved = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, defragStoredValueNumMoved = {value = {<std::__atomic_base<unsigned long>> = {
                static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, compressorNumVisited = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, compressorNumCompressed = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, 
          dirtyAgeHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036600}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 49, static tls_lastDeferredReaderSlot = 49, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          itemAllocSizeHisto = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
            histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                    _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                          _M_head_impl = 0x7f0d100366c0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 49, static tls_lastDeferredReaderSlot = 49, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, getMultiBatchSizeHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036780}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 49, static tls_lastDeferredReaderSlot = 49, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          activeOrPendingFrequencyValuesEvictedHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Linear, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036840}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 49, static tls_lastDeferredReaderSlot = 49, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          replicaFrequencyValuesEvictedHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Linear, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036900}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 49, static tls_lastDeferredReaderSlot = 49, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          activeOrPendingFrequencyValuesSnapshotHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Linear, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d100369c0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 49, static tls_lastDeferredReaderSlot = 49, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          replicaFrequencyValuesSnapshotHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Linear, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036a80}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 49, static tls_lastDeferredReaderSlot = 49, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, getVbucketCmdHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036b40}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 49, static tls_lastDeferredReaderSlot = 49, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, setVbucketCmdHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036c00}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 49, static tls_lastDeferredReaderSlot = 49, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, delVbucketCmdHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036cc0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 49, static tls_lastDeferredReaderSlot = 49, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, getCmdHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036d80}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 49, static tls_lastDeferredReaderSlot = 49, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          storeCmdHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036e40}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 49, static tls_lastDeferredReaderSlot = 49, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          arithCmdHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036f00}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 49, static tls_lastDeferredReaderSlot = 49, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, notifyIOHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10036fc0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 49, static tls_lastDeferredReaderSlot = 49, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          getStatsCmdHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10037080}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 49, static tls_lastDeferredReaderSlot = 49, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          chkPersistenceHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10037140}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 49, static tls_lastDeferredReaderSlot = 49, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, diskInsertHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10037200}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 49, static tls_lastDeferredReaderSlot = 49, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, diskUpdateHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d100372c0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 49, static tls_lastDeferredReaderSlot = 49, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          diskDelHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10037380}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 49, static tls_lastDeferredReaderSlot = 49, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          diskVBDelHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10037440}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 49, static tls_lastDeferredReaderSlot = 49, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, diskCommitHisto = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10037500}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 49, static tls_lastDeferredReaderSlot = 49, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          schedulingHisto = {<std::_Vector_base<Hdr1sfMicroSecHistogram, std::allocator<Hdr1sfMicroSecHistogram> >> = {_M_impl = {<std::allocator<Hdr1sfMicroSecHistogram>> = {<__gnu_cxx::new_allocator<Hdr1sfMicroSecHistogram>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<Hdr1sfMicroSecHistogram, std::allocator<Hdr1sfMicroSecHistogram> >::_Vector_impl_data> = {_M_start = 0x7f086197b800, 
                  _M_finish = 0x7f086197be30, _M_end_of_storage = 0x7f086197be30}, <No data fields>}}, <No data fields>}, taskRuntimeHisto = {<std::_Vector_base<Hdr1sfMicroSecHistogram, std::allocator<Hdr1sfMicroSecHistogram> >> = {
              _M_impl = {<std::allocator<Hdr1sfMicroSecHistogram>> = {<__gnu_cxx::new_allocator<Hdr1sfMicroSecHistogram>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<Hdr1sfMicroSecHistogram, std::allocator<Hdr1sfMicroSecHistogram> >::_Vector_impl_data> = {_M_start = 0x7f0861979c00, _M_finish = 0x7f086197a230, _M_end_of_storage = 0x7f086197a230}, <No data fields>}}, <No data fields>}, 
          persistenceCursorGetItemsHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d100375c0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 49, static tls_lastDeferredReaderSlot = 49, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          dcpCursorsGetItemsHisto = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d10037680}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 49, static tls_lastDeferredReaderSlot = 49, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          syncWriteCommitTimes = {_M_elems = {{<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
                  histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                          _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                                _M_head_impl = 0x7f0d10037740}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                      static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                      static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 49, static tls_lastDeferredReaderSlot = 49, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
              {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
                  histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                          _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                                _M_head_impl = 0x7f0d10037800}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                      static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                      static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 49, static tls_lastDeferredReaderSlot = 49, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
              {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
                  histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                          _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                                _M_head_impl = 0x7f0d100378c0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                      static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                      static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 49, static tls_lastDeferredReaderSlot = 49, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}}}, 
          arena = {estimateUpdateThreshold = {value = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 102400}, static is_always_lock_free = true}}, arena = 2, index = 0 '\000', threadCache = true}, timingLog = 0x0, maxDataSize = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 107374182400}, static is_always_lock_free = true}}
        flusher = <optimized out>
        memUsed = <optimized out>
#13 0x00000000006bc98b in doEngineStats (collector=..., this=0x7f0d10000000) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_engine.cc:4970
        status = <optimized out>
#14 EventuallyPersistentEngine::getStats(void const*, std::basic_string_view<char, std::char_traits<char> >, std::basic_string_view<char, std::char_traits<char> >, std::function<void (std::basic_string_view<char, std::char_traits<char> >, std::basic_string_view<char, std::char_traits<char> >, void const*)> const&) ()
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_engine.cc:4970
        c = 0x7f0b6cfe7410
        timer = {listeners = {<std::_Tuple_impl<0, MicrosecondStopwatch<Hdr1sfMicroSecHistogram>, TracerStopwatch>> = {<std::_Tuple_impl<1, TracerStopwatch>> = {<std::_Head_base<1, TracerStopwatch, false>> = {_M_head_impl = {traceable = 0x7f0b6cfe7410, code = cb::tracing::GetStats, startTime = {__d = {__r = 15123213577809186}}, stopTime = {__d = {
                        __r = 0}}}}, <No data fields>}, <std::_Head_base<0, MicrosecondStopwatch<Hdr1sfMicroSecHistogram>, false>> = {_M_head_impl = {histogram = @0x7f0d10000568, startTime = {__d = {__r = 15123213577809186}}}}, <No data fields>}, <No data fields>}}
        collector = {<StatCollector> = {_vptr.StatCollector = 0xca4950 <vtable for CBStatCollector+16>}, addStatFn = {<std::_Maybe_unary_or_binary_function<void, std::basic_string_view<char, std::char_traits<char> >, std::basic_string_view<char, std::char_traits<char> >, void const*>> = {<No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {
                  _M_object = 0x7f0b6cfe73e0, _M_const_object = 0x7f0b6cfe73e0, _M_function_pointer = 0x7f0b6cfe73e0, _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x7f0b6cfe73e0, this adjustment 1}, _M_pod_data = "\340s\376l\v\177\000\000\001\000\000\000\000\000\000"}, 
              _M_manager = 0x6e8320 <std::_Function_handler<void(std::basic_string_view<char, std::char_traits<char> >, std::basic_string_view<char, std::char_traits<char> >, void const*), KVBucket::snapshotStats(bool)::<lambda(std::string_view, std::string_view, void const*)> >::_M_manager(std::_Any_data &, const std::_Any_data &, std::_Manager_operation)>}, 
            _M_invoker = 0x6f3da0 <std::_Function_handler<void (std::basic_string_view<char, std::char_traits<char> >, std::basic_string_view<char, std::char_traits<char> >, void const*), KVBucket::snapshotStats(bool)::{lambda(std::basic_string_view<char, std::char_traits<char> >, std::basic_string_view<char, std::char_traits<char> >, void const*)#1}>::_M_invoke(std::_Any_data const&, std::basic_string_view<char, std::char_traits<char> >&&, std::_Any_data const&, void const*&&)>}, cookie = 0x7f0b6cfe7410}
        bucketCollector = {<LabelledStatCollector> = {<StatCollector> = {_vptr.StatCollector = 0xca7270 <vtable for BucketStatCollector+16>}, parent = @0x7f0b6cfe72b0, defaultLabels = {
              _M_h = {<std::__detail::_Hashtable_base<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Select1st, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, true>> = {<std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >> = {<std::__hash_base<unsigned long, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, true>> = {<std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >> = {<std::binary_function<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::allocator<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >, std::__detail::_Select1st, std::equal_to<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::hash<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > >, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f08f3aefd70, _M_bucket_count = 2, _M_before_begin = {_M_nxt = 0x7f0667624f20}, _M_element_count = 1, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 2}, _M_single_bucket = 0x0}}}, <No data fields>}
#15 0x00000000006f9571 in KVBucket::snapshotStats(bool) () at /opt/gcc-10.2.0/include/c++/10.2.0/new:175
        statsMap = {_M_t = {
            _M_impl = {<std::allocator<std::_Rb_tree_node<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >> = {<__gnu_cxx::new_allocator<std::_Rb_tree_node<std::pair<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > > >> = {<No data fields>}, <No data fields>}, <std::_Rb_tree_key_compare<std::less<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > > >> = {
                _M_key_compare = {<std::binary_function<std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >, bool>> = {<No data fields>}, <No data fields>}}, <std::_Rb_tree_header> = {_M_header = {_M_color = std::_S_red, _M_parent = 0x7f08e302f9a0, _M_left = 0x7f08e2c74600, _M_right = 0x7f08e0809d20}, 
                _M_node_count = 164}, <No data fields>}}}
        snapshot_add_stat = {__statsMap = @0x7f0b6cfe73e0}
        traceable = {_vptr.Traceable = 0xc4d320 <vtable for cb::tracing::Traceable+16>, tracingEnabled = false, tracer = {vecSpans = {<folly::SynchronizedBase<folly::Synchronized<std::vector<cb::tracing::Span, std::allocator<cb::tracing::Span> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, 
              datum_ = {<std::_Vector_base<cb::tracing::Span, std::allocator<cb::tracing::Span> >> = {_M_impl = {<std::allocator<cb::tracing::Span>> = {<__gnu_cxx::new_allocator<cb::tracing::Span>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<cb::tracing::Span, std::allocator<cb::tracing::Span> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
        rv = <optimized out>
        snapshotStats = {m_type = 128, m_value = {object = 0x7f0b6cfe73de, array = 0x7f0b6cfe73de, string = 0x7f0b6cfe73de, binary = 0x7f0b6cfe73de, boolean = 222, number_integer = 139687049982942, number_unsigned = 139687049982942, number_float = 6.9014572565480726e-310}}
#16 0x000000000071cd02 in StatSnap::run() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_engine.h:667
        phosphor_internal_category_enabled_128 = {_M_b = {_M_p = 0x7f0d195eb69e <phosphor::TraceLog::getInstance()::log_instance+8286>}, static is_always_lock_free = <optimized out>}
        phosphor_internal_category_enabled_temp_128 = <optimized out>
        phosphor_internal_tpi_128 = {category = 0xc5dbac "ep-engine/task", name = 0xc64e3a "StatSnap", type = phosphor::Complete, argument_names = {_M_elems = {0xca8762 "", 0xca8762 ""}}, argument_types = {_M_elems = {phosphor::is_none, phosphor::is_none}}}
        phosphor_internal_guard_128 = {tpi = 0x1058d40 <StatSnap::run()::phosphor_internal_tpi_128>, enabled = true, arg1 = {<No data fields>}, arg2 = {<No data fields>}, start = {__d = {__r = 15123213577808569}}}
#17 0x0000000000a9eeb2 in GlobalTask::execute() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/globaltask.cc:68
        guard = {previous = 0x0}
#18 0x0000000000a9c0c5 in FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}::operator()() const (__closure=0x7f0b6cfe7840) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:189
        scheduleOverhead = <optimized out>
        start = {__d = {__r = 15123213577807005}}
        runAgain = false
        proxy = @0x7f08c1f9cda0: {<folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >::Callback> = {<boost::intrusive::list_base_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)2> >> = {<boost::intrusive::generic_hook<(boost::intrusive::algo_types)0, boost::intrusive::list_node_traits<void*>, boost::intrusive::dft_tag, (boost::intrusive::link_mode_type)2, (boost::intrusive::base_hook_type)1>> = {<boost::intrusive::node_holder<boost::intrusive::list_node<void*>, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::list_node<void*>> = {next_ = 0x0, 
                    prev_ = 0x0}, <No data fields>}, <boost::intrusive::hook_tags_definer<boost::intrusive::generic_hook<(boost::intrusive::algo_types)0, boost::intrusive::list_node_traits<void*>, boost::intrusive::dft_tag, (boost::intrusive::link_mode_type)2, (boost::intrusive::base_hook_type)1>, 1>> = {<No data fields>}, <No data fields>}, <No data fields>}, 
            _vptr.Callback = 0xca2b48 <vtable for FollyExecutorPool::TaskProxy+16>, wheel_ = 0x0, expiration_ = {__d = {__r = 0}}, bucket_ = 125, requestContext_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {
                  _M_pi = 0x0}}, <No data fields>}}, task = {<std::__shared_ptr<GlobalTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<GlobalTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f08e787cac0, _M_refcount = {_M_pi = 0x7f08e787cab0}}, <No data fields>}, taskId = 2257, scheduledOnCpuPool = true, executor = @0x7f0d13dfea00, cpuPool = @0x7f0d134fa400}
#19 0x0000000000bf0c60 in operator() (this=0x7f0b6cfe7840) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
        fn = @0x7f0b6cfe7840: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f9cda0, tiny = {__data = "\240\315\371\301\b\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\347\213\000\000\000\000\000\000\340\002\000\000\000\000\000\000\020y\376l\v\177\000", __align = {<No data fields>}}}, 
          call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}
#20 folly::ThreadPoolExecutor::runTask(std::shared_ptr<folly::ThreadPoolExecutor::Thread> const&, folly::ThreadPoolExecutor::Task&&) (this=this@entry=0x7f0d134fa400, thread=..., task=task@entry=<unknown type in /usr/lib/debug/opt/couchbase/bin/memcached-7.1.0-1817.x86_64.debug, CU 0xa120c30, DIE 0xa1a4b65>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/ThreadPoolExecutor.cpp:97
        rctx = {prev_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}
        startTime = {__d = {__r = 15123213577803389}}
        stats = {expired = false, waitTime = {__r = 68216}, runTime = {__r = 0}, enqueueTime = {__d = {__r = 15123213577735173}}, requestId = 0}
#21 0x0000000000bd8a1a in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:265
        task = {storage_ = {{emptyState = -96 '\240', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f9cda0, tiny = {__data = "\240\315\371\301\b\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\347\213\000\000\000\000\000\000\340\002\000\000\000\000\000\000\020y\376l\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123213577735173}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8be7, tiny = {__data = "\347\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\352]\355\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185489152}}, hasValue = true}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#22 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#23 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#24 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#25 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#26 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#27 0x0000000000a9bd54 in operator() (this=0x7f0d13580c80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13580c80: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978e30, tiny = {__data = "0\216\227\366\f\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000P\fX\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#28 operator() (__closure=0x7f0d13580c80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b6cfe79a0 "WriterPool16"}, _M_string_length = 12, {_M_local_buf = "WriterPool16\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978e30, tiny = {__data = "0\216\227\366\f\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000P\fX\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#29 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13580c80: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978e30, tiny = {__data = "0\216\227\366\f\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000P\fX\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#30 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#31 0x00007f0d18faeea5 in start_thread (arg=0x7f0b6cff9700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b6cff9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139687050057472, -4771262700614340274, 0, 8392704, 0, 139687050057472, 4890847788760281422, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#32 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 114 (Thread 0x7f0b4ffff700 (LWP 35816)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1342101016, absSteadyTime=absSteadyTime@entry=0x7f0b4ffed5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11b7948) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608234783}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11b7948, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0b4ffed618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11b7948) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11b7948, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608234783}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11b7948, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11b7948}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 16 '\020', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f9a410, tiny = {__data = "\020\244\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\350\213\000\000\000\000\000\000\350\002\000\000\000\000\000\000\020\331\376O\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518963959603}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8be8, tiny = {__data = "\350\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\331\376O\v\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13580cc0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13580cc0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978e60, tiny = {__data = "`\216\227\366\f\177\000\000\023\000\000\000\000\000\000\000\023", '\000' <repeats 30 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13580cc0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b4ffed9a0 "WriterPool17"}, _M_string_length = 12, {_M_local_buf = "WriterPool17\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978e60, tiny = {__data = "`\216\227\366\f\177\000\000\023\000\000\000\000\000\000\000\023", '\000' <repeats 30 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13580cc0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978e60, tiny = {__data = "`\216\227\366\f\177\000\000\023\000\000\000\000\000\000\000\023", '\000' <repeats 30 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0b4ffff700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b4ffff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139686563542784, -4771262700614340274, 0, 8392704, 0, 139686563542784, 4890784022454579534, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 113 (Thread 0x7f0b4f7fe700 (LWP 35817)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1333708312, absSteadyTime=absSteadyTime@entry=0x7f0b4f7ec5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11bfe80) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608240476}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11bfe80, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0b4f7ec618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11bfe80) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11bfe80, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608240476}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11bfe80, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11bfe80}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 0 '\000', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f98c00, tiny = {__data = "\000\214\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\351\213\000\000\000\000\000\000\360\002\000\000\000\000\000\000\020\311~O\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518994135551}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8be9, tiny = {__data = "\351\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\311~O\v\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185736704}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13580d00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13580d00: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978e90, tiny = {__data = "\220\216\227\366\f\177\000\000\000\000\000\000\000\000\000\000 \rX\023\r\177\000\000\v\000\000\000\000\000\000\000description\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13580d00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b4f7ec9a0 "WriterPool18"}, _M_string_length = 12, {_M_local_buf = "WriterPool18\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978e90, tiny = {__data = "\220\216\227\366\f\177\000\000\000\000\000\000\000\000\000\000 \rX\023\r\177\000\000\v\000\000\000\000\000\000\000description\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13580d00: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978e90, tiny = {__data = "\220\216\227\366\f\177\000\000\000\000\000\000\000\000\000\000 \rX\023\r\177\000\000\v\000\000\000\000\000\000\000description\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0b4f7fe700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b4f7fe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139686555150080, -4771262700614340274, 0, 8392704, 0, 139686555150080, 4890785121429336398, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 112 (Thread 0x7f0b4effd700 (LWP 35818)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1325315608, absSteadyTime=absSteadyTime@entry=0x7f0b4efeb5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11b8aa0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608245378}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11b8aa0, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0b4efeb618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11b8aa0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11b8aa0, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608245378}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11b8aa0, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11b8aa0}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 96 '`', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08eaa6e760, tiny = {__data = "`\347\246\352\b\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\352\213\000\000\000\000\000\000\370\002\000\000\000\000\000\000\020\271\376N\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518995972949}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bea, tiny = {__data = "\352\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\352~/\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13580d40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13580d40: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978ec0, tiny = {__data = "\300\216\227\366\f\177\000\000\370 X\023\r\177\000\000\020\032X\023\r\177\000\000\220\rX\023\r\177\000\000p\rX\023\r\177\000\000\002\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13580d40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b4efeb9a0 "WriterPool19"}, _M_string_length = 12, {_M_local_buf = "WriterPool19\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978ec0, tiny = {__data = "\300\216\227\366\f\177\000\000\370 X\023\r\177\000\000\020\032X\023\r\177\000\000\220\rX\023\r\177\000\000p\rX\023\r\177\000\000\002\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13580d40: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978ec0, tiny = {__data = "\300\216\227\366\f\177\000\000\370 X\023\r\177\000\000\020\032X\023\r\177\000\000\220\rX\023\r\177\000\000p\rX\023\r\177\000\000\002\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0b4effd700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b4effd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139686546757376, -4771262700614340274, 0, 8392704, 0, 139686546757376, 4890781820210098510, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 111 (Thread 0x7f0b4e7fc700 (LWP 35819)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1316922904, absSteadyTime=absSteadyTime@entry=0x7f0b4e7ea5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11bb7b8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608250755}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11bb7b8, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0b4e7ea618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11bb7b8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11bb7b8, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608250755}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11bb7b8, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11bb7b8}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -16 '\360', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf684fbf0, tiny = {__data = "\360\373\204\366\f\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\353\213\000\000\000\000\000\000\000\003\000\000\000\000\000\000\020\251~N\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518991977325}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8beb, tiny = {__data = "\353\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\332\376.\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185675136}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13580d80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13580d80: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978ef0, tiny = {__data = "\360\216\227\366\f\177", '\000' <repeats 18 times>, "@\rX\023\r\177\000\000\360\021X\023\r\177\000\000\340\rX\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13580d80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b4e7ea9a0 "WriterPool20"}, _M_string_length = 12, {_M_local_buf = "WriterPool20\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978ef0, tiny = {__data = "\360\216\227\366\f\177", '\000' <repeats 18 times>, "@\rX\023\r\177\000\000\360\021X\023\r\177\000\000\340\rX\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13580d80: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978ef0, tiny = {__data = "\360\216\227\366\f\177", '\000' <repeats 18 times>, "@\rX\023\r\177\000\000\360\021X\023\r\177\000\000\340\rX\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0b4e7fc700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b4e7fc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139686538364672, -4771262700614340274, 0, 8392704, 0, 139686538364672, 4890782919184855374, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 110 (Thread 0x7f0b4dffb700 (LWP 35820)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1308530200, absSteadyTime=absSteadyTime@entry=0x7f0b4dfe95f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11ba2a0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608253764}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11ba2a0, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0b4dfe9618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11ba2a0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11ba2a0, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608253764}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11ba2a0, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11ba2a0}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 32 ' ', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08eaa6f720, tiny = {__data = " \367\246\352\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\354\213\000\000\000\000\000\000\b\003\000\000\000\000\000\000\020\231\376M\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518995973608}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bec, tiny = {__data = "\354\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\312~.\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13580dc0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13580dc0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978f20, tiny = {__data = " \217\227\366\f\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\220\rX\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13580dc0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b4dfe99a0 "WriterPool21"}, _M_string_length = 12, {_M_local_buf = "WriterPool21\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978f20, tiny = {__data = " \217\227\366\f\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\220\rX\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13580dc0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978f20, tiny = {__data = " \217\227\366\f\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\220\rX\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0b4dffb700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b4dffb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139686529971968, -4771262700614340274, 0, 8392704, 0, 139686529971968, 4890779622260584782, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 109 (Thread 0x7f0b4d7fa700 (LWP 35821)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1300137496, absSteadyTime=absSteadyTime@entry=0x7f0b4d7e85f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c4980) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608259455}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c4980, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0b4d7e8618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c4980) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c4980, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608259455}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c4980, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c4980}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 16 '\020', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08eaa6fb10, tiny = {__data = "\020\373\246\352\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\355\213\000\000\000\000\000\000\020\003\000\000\000\000\000\000\020\211~M\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518994100715}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bed, tiny = {__data = "\355\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\272\376-\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185736704}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13580e00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13580e00: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978f50, tiny = {__data = "P\217\227\366\f\177\000\000\017\000\000\000\000\000\000\000optional_fields", '\000' <repeats 16 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13580e00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b4d7e89a0 "WriterPool22"}, _M_string_length = 12, {_M_local_buf = "WriterPool22\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978f50, tiny = {__data = "P\217\227\366\f\177\000\000\017\000\000\000\000\000\000\000optional_fields", '\000' <repeats 16 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13580e00: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978f50, tiny = {__data = "P\217\227\366\f\177\000\000\017\000\000\000\000\000\000\000optional_fields", '\000' <repeats 16 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0b4d7fa700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b4d7fa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139686521579264, -4771262700614340274, 0, 8392704, 0, 139686521579264, 4890780721235341646, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 108 (Thread 0x7f0b4cff9700 (LWP 35822)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1291744792, absSteadyTime=absSteadyTime@entry=0x7f0b4cfe75f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11cd140) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608263966}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11cd140, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0b4cfe7618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11cd140) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11cd140, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608263966}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11cd140, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11cd140}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 80 'P', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f9a250, tiny = {__data = "P\242\371\301\b\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\356\213\000\000\000\000\000\000\030\003\000\000\000\000\000\000\020y\376L\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518997226237}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bee, tiny = {__data = "\356\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\252~-\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13580e40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13580e40: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978f80, tiny = {__data = "\200\217\227\366\f\177\000\000\300\017X\023\r\177\000\000`\016X\023\r\177\000\000\006\000\000\000\000\000\000\000errors\000\000\000\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13580e40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b4cfe79a0 "WriterPool23"}, _M_string_length = 12, {_M_local_buf = "WriterPool23\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978f80, tiny = {__data = "\200\217\227\366\f\177\000\000\300\017X\023\r\177\000\000`\016X\023\r\177\000\000\006\000\000\000\000\000\000\000errors\000\000\000\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13580e40: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978f80, tiny = {__data = "\200\217\227\366\f\177\000\000\300\017X\023\r\177\000\000`\016X\023\r\177\000\000\006\000\000\000\000\000\000\000errors\000\000\000\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0b4cff9700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b4cff9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139686513186560, -4771262700614340274, 0, 8392704, 0, 139686513186560, 4890777420016103758, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 107 (Thread 0x7f0b2ffff700 (LWP 35823)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=805230104, absSteadyTime=absSteadyTime@entry=0x7f0b2ffed5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c8dc0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608266457}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c8dc0, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0b2ffed618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c8dc0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c8dc0, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608266457}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c8dc0, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c8dc0}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 0 '\000', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f9a100, tiny = {__data = "\000\241\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\357\213\000\000\000\000\000\000 \003\000\000\000\000\000\000\020\331\376/\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518999077478}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bef, tiny = {__data = "\357\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000pj\032\341\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13580e80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13580e80: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978fb0, tiny = {__data = "\260\217\227\366\f\177\000\000X!X\023\r\177\000\000\000\000\000\000\000\000\000\000\320\016X\023\r\177\000\000\260\016X\023\r\177\000\000\004\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13580e80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b2ffed9a0 "WriterPool24"}, _M_string_length = 12, {_M_local_buf = "WriterPool24\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978fb0, tiny = {__data = "\260\217\227\366\f\177\000\000X!X\023\r\177\000\000\000\000\000\000\000\000\000\000\320\016X\023\r\177\000\000\260\016X\023\r\177\000\000\004\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13580e80: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978fb0, tiny = {__data = "\260\217\227\366\f\177\000\000X!X\023\r\177\000\000\000\000\000\000\000\000\000\000\320\016X\023\r\177\000\000\260\016X\023\r\177\000\000\004\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0b2ffff700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b2ffff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139686026671872, -4771262700614340274, 0, 8392704, 0, 139686026671872, 4890713653710401870, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 106 (Thread 0x7f0b2f7fe700 (LWP 35824)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=796837400, absSteadyTime=absSteadyTime@entry=0x7f0b2f7ec5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11cc630) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608276585}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11cc630, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0b2f7ec618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11cc630) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11cc630, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608276585}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11cc630, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11cc630}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -80 '\260', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f99fb0, tiny = {__data = "\260\237\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\360\213\000\000\000\000\000\000(\003\000\000\000\000\000\000\020\311~/\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518996545470}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bf0, tiny = {__data = "\360\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000pz\335\351\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13580ec0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13580ec0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978fe0, tiny = {__data = "\340\217\227\366\f\177", '\000' <repeats 18 times>, "\200\016X\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13580ec0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b2f7ec9a0 "WriterPool25"}, _M_string_length = 12, {_M_local_buf = "WriterPool25\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978fe0, tiny = {__data = "\340\217\227\366\f\177", '\000' <repeats 18 times>, "\200\016X\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13580ec0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6978fe0, tiny = {__data = "\340\217\227\366\f\177", '\000' <repeats 18 times>, "\200\016X\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0b2f7fe700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b2f7fe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139686018279168, -4771262700614340274, 0, 8392704, 0, 139686018279168, 4890714752685158734, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 105 (Thread 0x7f0b2effd700 (LWP 35825)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=788444696, absSteadyTime=absSteadyTime@entry=0x7f0b2efeb5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c6a20) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608294670}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c6a20, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0b2efeb618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c6a20) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c6a20, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608294670}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c6a20, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c6a20}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 16 '\020', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f9a410, tiny = {__data = "\020\244\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\361\213\000\000\000\000\000\000\060\003\000\000\000\000\000\000\020\271\376.\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518994237606}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bf1, tiny = {__data = "\361\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000pz\376\377\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185736704}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13580f00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13580f00: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979010, tiny = {__data = "\020\220\227\366\f\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\210!X\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13580f00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b2efeb9a0 "WriterPool26"}, _M_string_length = 12, {_M_local_buf = "WriterPool26\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979010, tiny = {__data = "\020\220\227\366\f\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\210!X\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13580f00: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979010, tiny = {__data = "\020\220\227\366\f\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\210!X\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0b2effd700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b2effd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139686009886464, -4771262700614340274, 0, 8392704, 0, 139686009886464, 4890711451465920846, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 104 (Thread 0x7f0b2e7fc700 (LWP 35826)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=780051992, absSteadyTime=absSteadyTime@entry=0x7f0b2e7ea5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c0018) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608284216}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c0018, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0b2e7ea618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c0018) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c0018, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608284216}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c0018, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c0018}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 96 '`', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08eaa6fc60, tiny = {__data = "`\374\246\352\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\362\213\000\000\000\000\000\000\070\003\000\000\000\000\000\000\020\251~.\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518995759532}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bf2, tiny = {__data = "\362\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000pj~\377\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13580f40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13580f40: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979040, tiny = {__data = "@\220\227\366\f\177\000\000\004\000\000\000\000\000\000\000code", '\000' <repeats 27 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13580f40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b2e7ea9a0 "WriterPool27"}, _M_string_length = 12, {_M_local_buf = "WriterPool27\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979040, tiny = {__data = "@\220\227\366\f\177\000\000\004\000\000\000\000\000\000\000code", '\000' <repeats 27 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13580f40: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979040, tiny = {__data = "@\220\227\366\f\177\000\000\004\000\000\000\000\000\000\000code", '\000' <repeats 27 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0b2e7fc700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b2e7fc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139686001493760, -4771262700614340274, 0, 8392704, 0, 139686001493760, 4890712550440677710, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 103 (Thread 0x7f0b2dffb700 (LWP 35827)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=771659288, absSteadyTime=absSteadyTime@entry=0x7f0b2dfe95f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11ca560) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608288838}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11ca560, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0b2dfe9618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11ca560) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11ca560, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608288838}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11ca560, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11ca560}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 0 '\000', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f99a00, tiny = {__data = "\000\232\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\363\213\000\000\000\000\000\000@\003\000\000\000\000\000\000\020\231\376-\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518998260743}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bf3, tiny = {__data = "\363\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000pZ\376\376\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13580f80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13580f80: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979070, tiny = {__data = "p\220\227\366\f\177\000\000\000\000\000\000\000\000\000\000\240\017X\023\r\177\000\000\003\000\000\000\000\000\000\000msg", '\000' <repeats 12 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13580f80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b2dfe99a0 "WriterPool28"}, _M_string_length = 12, {_M_local_buf = "WriterPool28\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979070, tiny = {__data = "p\220\227\366\f\177\000\000\000\000\000\000\000\000\000\000\240\017X\023\r\177\000\000\003\000\000\000\000\000\000\000msg", '\000' <repeats 12 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13580f80: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979070, tiny = {__data = "p\220\227\366\f\177\000\000\000\000\000\000\000\000\000\000\240\017X\023\r\177\000\000\003\000\000\000\000\000\000\000msg", '\000' <repeats 12 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0b2dffb700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b2dffb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139685993101056, -4771262700614340274, 0, 8392704, 0, 139685993101056, 4890709253516407118, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 102 (Thread 0x7f0b2d7fa700 (LWP 35828)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=763266584, absSteadyTime=absSteadyTime@entry=0x7f0b2d7e85f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c04c8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608296822}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c04c8, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0b2d7e8618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c04c8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c04c8, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608296822}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c04c8, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c04c8}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -32 '\340', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f9a1e0, tiny = {__data = "\340\241\371\301\b\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\364\213\000\000\000\000\000\000H\003\000\000\000\000\000\000\020\211~-\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518986786756}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bf4, tiny = {__data = "\364\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000pJ~\376\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d13580fc0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d13580fc0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69790a0, tiny = {__data = "\240\220\227\366\f\177\000\000\060\016X\023\r\177\000\000`\020X\023\r\177\000\000\020\020X\023\r\177\000\000\360\017X\023\r\177\000\000\016\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d13580fc0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b2d7e89a0 "WriterPool29"}, _M_string_length = 12, {_M_local_buf = "WriterPool29\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69790a0, tiny = {__data = "\240\220\227\366\f\177\000\000\060\016X\023\r\177\000\000`\020X\023\r\177\000\000\020\020X\023\r\177\000\000\360\017X\023\r\177\000\000\016\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d13580fc0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69790a0, tiny = {__data = "\240\220\227\366\f\177\000\000\060\016X\023\r\177\000\000`\020X\023\r\177\000\000\020\020X\023\r\177\000\000\360\017X\023\r\177\000\000\016\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0b2d7fa700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b2d7fa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139685984708352, -4771262700614340274, 0, 8392704, 0, 139685984708352, 4890710352491163982, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 101 (Thread 0x7f0b2cff9700 (LWP 35829)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=754873880, absSteadyTime=absSteadyTime@entry=0x7f0b2cfe75f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11be800) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608299736}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11be800, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0b2cfe7618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11be800) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11be800, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608299736}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11be800, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11be800}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -64 '\300', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f971c0, tiny = {__data = "\300q\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\365\213\000\000\000\000\000\000P\003\000\000\000\000\000\000\020y\376,\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518988017949}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bf5, tiny = {__data = "\365\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p:\376\375\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2000) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2000: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69790d0, tiny = {__data = "А\227\366\f\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\340\035[\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2000) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b2cfe79a0 "WriterPool30"}, _M_string_length = 12, {_M_local_buf = "WriterPool30\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69790d0, tiny = {__data = "А\227\366\f\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\340\035[\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2000: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69790d0, tiny = {__data = "А\227\366\f\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\340\035[\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0b2cff9700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b2cff9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139685976315648, -4771262700614340274, 0, 8392704, 0, 139685976315648, 4890707051271926094, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 100 (Thread 0x7f0b0ffff700 (LWP 35830)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=268359192, absSteadyTime=absSteadyTime@entry=0x7f0b0ffed5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c8760) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608303914}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c8760, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0b0ffed618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c8760) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c8760, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608303914}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c8760, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c8760}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -80 '\260', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f98ab0, tiny = {__data = "\260\212\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\366\213\000\000\000\000\000\000X\003\000\000\000\000\000\000\020\331\376\017\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518996552362}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bf6, tiny = {__data = "\366\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\331\376\017\v\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2040) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2040: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979100, tiny = {__data = "\000\221\227\366\f\177\000\000ntextId", '\000' <repeats 25 times>, "\220\035[\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2040) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b0ffed9a0 "WriterPool31"}, _M_string_length = 12, {_M_local_buf = "WriterPool31\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979100, tiny = {__data = "\000\221\227\366\f\177\000\000ntextId", '\000' <repeats 25 times>, "\220\035[\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2040: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979100, tiny = {__data = "\000\221\227\366\f\177\000\000ntextId", '\000' <repeats 25 times>, "\220\035[\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0b0ffff700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b0ffff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139685489800960, -4771262700614340274, 0, 8392704, 0, 139685489800960, 4890643284966224206, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 99 (Thread 0x7f0b0f7fe700 (LWP 35831)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=259966488, absSteadyTime=absSteadyTime@entry=0x7f0b0f7ec5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c1ad0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608307198}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c1ad0, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0b0f7ec618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c1ad0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c1ad0, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608307198}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c1ad0, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c1ad0}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -16 '\360', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf684fbf0, tiny = {__data = "\360\373\204\366\f\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\367\213\000\000\000\000\000\000`\003\000\000\000\000\000\000\020\311~\017\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518996543168}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bf7, tiny = {__data = "\367\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\311~\017\v\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2080) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2080: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979130, tiny = {__data = "0\221\227\366\f\177\000\000\004\000\000\000\000\000\000\000sync", '\000' <repeats 27 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2080) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b0f7ec9a0 "WriterPool32"}, _M_string_length = 12, {_M_local_buf = "WriterPool32\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979130, tiny = {__data = "0\221\227\366\f\177\000\000\004\000\000\000\000\000\000\000sync", '\000' <repeats 27 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2080: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979130, tiny = {__data = "0\221\227\366\f\177\000\000\004\000\000\000\000\000\000\000sync", '\000' <repeats 27 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0b0f7fe700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b0f7fe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139685481408256, -4771262700614340274, 0, 8392704, 0, 139685481408256, 4890644383940981070, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 98 (Thread 0x7f0b0effd700 (LWP 35832)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=251573784, absSteadyTime=absSteadyTime@entry=0x7f0b0efeb5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11cdcf8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608313974}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11cdcf8, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0b0efeb618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11cdcf8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11cdcf8, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608313974}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11cdcf8, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11cdcf8}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 112 'p', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f99a70, tiny = {__data = "p\232\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\370\213\000\000\000\000\000\000h\003\000\000\000\000\000\000\020\271\376\016\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518996599254}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bf8, tiny = {__data = "\370\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\272\375\371\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b20c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b20c0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979160, tiny = {__data = "`\221\227\366\f\177\000\000\000\000\000\000\000\000\000\000\300\242J\023\r\177\000\000\020\000\000\000\000\000\000\000\020", '\000' <repeats 14 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b20c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b0efeb9a0 "WriterPool33"}, _M_string_length = 12, {_M_local_buf = "WriterPool33\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979160, tiny = {__data = "`\221\227\366\f\177\000\000\000\000\000\000\000\000\000\000\300\242J\023\r\177\000\000\020\000\000\000\000\000\000\000\020", '\000' <repeats 14 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b20c0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979160, tiny = {__data = "`\221\227\366\f\177\000\000\000\000\000\000\000\000\000\000\300\242J\023\r\177\000\000\020\000\000\000\000\000\000\000\020", '\000' <repeats 14 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0b0effd700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b0effd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139685473015552, -4771262700614340274, 0, 8392704, 0, 139685473015552, 4890641082721743182, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 97 (Thread 0x7f0b0e7fc700 (LWP 35833)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=243181080, absSteadyTime=absSteadyTime@entry=0x7f0b0e7ea5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11bdf18) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608318159}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11bdf18, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0b0e7ea618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11bdf18) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11bdf18, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608318159}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11bdf18, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11bdf18}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -16 '\360', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf684fbf0, tiny = {__data = "\360\373\204\366\f\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\371\213\000\000\000\000\000\000p\003\000\000\000\000\000\000\020\251~\016\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518963568591}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bf9, tiny = {__data = "\371\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\252}\371\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2100) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2100: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979190, tiny = {__data = "\220\221\227\366\f\177\000\000\270\275Z\023\r\177\000\000 $[\023\r\177\000\000\360![\023\r\177\000\000\060![\023\r\177\000\000\v\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2100) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b0e7ea9a0 "WriterPool34"}, _M_string_length = 12, {_M_local_buf = "WriterPool34\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979190, tiny = {__data = "\220\221\227\366\f\177\000\000\270\275Z\023\r\177\000\000 $[\023\r\177\000\000\360![\023\r\177\000\000\060![\023\r\177\000\000\v\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2100: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979190, tiny = {__data = "\220\221\227\366\f\177\000\000\270\275Z\023\r\177\000\000 $[\023\r\177\000\000\360![\023\r\177\000\000\060![\023\r\177\000\000\v\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0b0e7fc700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b0e7fc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139685464622848, -4771262700614340274, 0, 8392704, 0, 139685464622848, 4890642181696500046, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 96 (Thread 0x7f0b0dffb700 (LWP 35834)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=234788376, absSteadyTime=absSteadyTime@entry=0x7f0b0dfe95f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c9c90) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608322798}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c9c90, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0b0dfe9618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c9c90) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c9c90, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608322798}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c9c90, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c9c90}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -64 '\300', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08eaa700c0, tiny = {__data = "\300\000\247\352\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\372\213\000\000\000\000\000\000x\003\000\000\000\000\000\000\020\231\376\r\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518998264572}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bfa, tiny = {__data = "\372\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000pZ\335\350\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2140) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2140: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69791c0, tiny = {__data = "\300\221\227\366\f\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\350\275Z\023\r\177\000\000\000\000\000\000\000\000\000\000\240![\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2140) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b0dfe99a0 "WriterPool35"}, _M_string_length = 12, {_M_local_buf = "WriterPool35\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69791c0, tiny = {__data = "\300\221\227\366\f\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\350\275Z\023\r\177\000\000\000\000\000\000\000\000\000\000\240![\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2140: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69791c0, tiny = {__data = "\300\221\227\366\f\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\350\275Z\023\r\177\000\000\000\000\000\000\000\000\000\000\240![\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0b0dffb700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b0dffb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139685456230144, -4771262700614340274, 0, 8392704, 0, 139685456230144, 4890638884772229454, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 95 (Thread 0x7f0b0d7fa700 (LWP 35835)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=226395672, absSteadyTime=absSteadyTime@entry=0x7f0b0d7e85f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11ba528) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608327070}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11ba528, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0b0d7e8618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11ba528) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11ba528, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608327070}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11ba528, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11ba528}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 80 'P', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08eaa6eb50, tiny = {__data = "P\353\246\352\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\373\213\000\000\000\000\000\000\200\003\000\000\000\000\000\000\020\211~\r\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518984913764}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bfb, tiny = {__data = "\373\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\232\335\352\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185566976}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2180) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2180: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69791f0, tiny = {__data = "\360\221\227\366\f\177", '\000' <repeats 34 times>, "P![\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2180) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b0d7e89a0 "WriterPool36"}, _M_string_length = 12, {_M_local_buf = "WriterPool36\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69791f0, tiny = {__data = "\360\221\227\366\f\177", '\000' <repeats 34 times>, "P![\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2180: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69791f0, tiny = {__data = "\360\221\227\366\f\177", '\000' <repeats 34 times>, "P![\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0b0d7fa700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b0d7fa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139685447837440, -4771262700614340274, 0, 8392704, 0, 139685447837440, 4890639983746986318, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 94 (Thread 0x7f0b0cff9700 (LWP 35836)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=218002968, absSteadyTime=absSteadyTime@entry=0x7f0b0cfe75f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11b7618) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608332086}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11b7618, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0b0cfe7618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11b7618) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11b7618, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608332086}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11b7618, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11b7618}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 0 '\000', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f99a00, tiny = {__data = "\000\232\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\374\213\000\000\000\000\000\000\210\003\000\000\000\000\000\000\020y\376\f\v\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518994183433}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bfc, tiny = {__data = "\374\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\232\375\370\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139681253474399}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b21c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b21c0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979220, tiny = {__data = " \222\227\366\f\177\000\000\004\000\000\000\000\000\000\000user", '\000' <repeats 27 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b21c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0b0cfe79a0 "WriterPool37"}, _M_string_length = 12, {_M_local_buf = "WriterPool37\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979220, tiny = {__data = " \222\227\366\f\177\000\000\004\000\000\000\000\000\000\000user", '\000' <repeats 27 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b21c0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979220, tiny = {__data = " \222\227\366\f\177\000\000\004\000\000\000\000\000\000\000user", '\000' <repeats 27 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0b0cff9700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0b0cff9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139685439444736, -4771262700614340274, 0, 8392704, 0, 139685439444736, 4890636682527748430, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 93 (Thread 0x7f0aeffff700 (LWP 35837)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=4026455576, absSteadyTime=absSteadyTime@entry=0x7f0aeffed5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11ba6d8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608338894}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11ba6d8, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0aeffed618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11ba6d8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11ba6d8, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608338894}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11ba6d8, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11ba6d8}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 16 '\020', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08eaa70210, tiny = {__data = "\020\002\247\352\b\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\375\213\000\000\000\000\000\000\220\003\000\000\000\000\000\000\020\331\376\357\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518998268485}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bfd, tiny = {__data = "\375\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\212]\352\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2200) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2200: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979250, tiny = {__data = "P\222\227\366\f\177\000\000@\"[\023\r\177\000\000 \"[\023\r\177\000\000\t\000\000\000\000\000\000\000statement\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2200) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0aeffed9a0 "WriterPool38"}, _M_string_length = 12, {_M_local_buf = "WriterPool38\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979250, tiny = {__data = "P\222\227\366\f\177\000\000@\"[\023\r\177\000\000 \"[\023\r\177\000\000\t\000\000\000\000\000\000\000statement\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2200: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979250, tiny = {__data = "P\222\227\366\f\177\000\000@\"[\023\r\177\000\000 \"[\023\r\177\000\000\t\000\000\000\000\000\000\000statement\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0aeffff700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0aeffff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139684952930048, -4771262700614340274, 0, 8392704, 0, 139684952930048, 4890009966268625230, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 92 (Thread 0x7f0aef7fe700 (LWP 35838)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=4018062872, absSteadyTime=absSteadyTime@entry=0x7f0aef7ec5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c1e90) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608343382}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c1e90, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0aef7ec618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c1e90) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c1e90, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608343382}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c1e90, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c1e90}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -128 '\200', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f9a480, tiny = {__data = "\200\244\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\376\213\000\000\000\000\000\000\230\003\000\000\000\000\000\000\020\311~\357\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518927384019}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bfe, tiny = {__data = "\376\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\311~\357\n\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2240) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2240: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979280, tiny = {__data = "\200\222\227\366\f\177\000\000\360![\023\r\177\000\000\340\"[\023\r\177\000\000\220\"[\023\r\177\000\000p\"[\023\r\177\000\000\t\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2240) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0aef7ec9a0 "WriterPool39"}, _M_string_length = 12, {_M_local_buf = "WriterPool39\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979280, tiny = {__data = "\200\222\227\366\f\177\000\000\360![\023\r\177\000\000\340\"[\023\r\177\000\000\220\"[\023\r\177\000\000p\"[\023\r\177\000\000\t\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2240: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979280, tiny = {__data = "\200\222\227\366\f\177\000\000\360![\023\r\177\000\000\340\"[\023\r\177\000\000\220\"[\023\r\177\000\000p\"[\023\r\177\000\000\t\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0aef7fe700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0aef7fe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139684944537344, -4771262700614340274, 0, 8392704, 0, 139684944537344, 4890011065243382094, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 91 (Thread 0x7f0aeeffd700 (LWP 35839)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=4009670168, absSteadyTime=absSteadyTime@entry=0x7f0aeefeb5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c2c28) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608346632}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c2c28, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0aeefeb618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c2c28) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c2c28, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608346632}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c2c28, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c2c28}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -64 '\300', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f971c0, tiny = {__data = "\300q\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\377\213\000\000\000\000\000\000\240\003\000\000\000\000\000\000\020\271\376\356\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518995976714}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8bff, tiny = {__data = "\377\213\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\232\376\314\v\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2280) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2280: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69792b0, tiny = {__data = "\260\222\227\366\f\177", '\000' <repeats 18 times>, "@\"[\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2280) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0aeefeb9a0 "WriterPool40"}, _M_string_length = 12, {_M_local_buf = "WriterPool40\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69792b0, tiny = {__data = "\260\222\227\366\f\177", '\000' <repeats 18 times>, "@\"[\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2280: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69792b0, tiny = {__data = "\260\222\227\366\f\177", '\000' <repeats 18 times>, "@\"[\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0aeeffd700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0aeeffd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139684936144640, -4771262700614340274, 0, 8392704, 0, 139684936144640, 4890007764024144206, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 90 (Thread 0x7f0aee7fc700 (LWP 35840)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=4001277464, absSteadyTime=absSteadyTime@entry=0x7f0aee7ea5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11ca7e8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608353753}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11ca7e8, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0aee7ea618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11ca7e8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11ca7e8, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608353753}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11ca7e8, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11ca7e8}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 0 '\000', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f98c00, tiny = {__data = "\000\214\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\000\214\000\000\000\000\000\000\250\003\000\000\000\000\000\000\020\251~\356\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518035866423}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c00, tiny = {__data = "\000\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\332\376\356\n\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139681253474399}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b22c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b22c0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69792e0, tiny = {__data = "\340\222\227\366\f\177\000\000t", '\000' <repeats 31 times>, "@\"[\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b22c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0aee7ea9a0 "WriterPool41"}, _M_string_length = 12, {_M_local_buf = "WriterPool41\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69792e0, tiny = {__data = "\340\222\227\366\f\177\000\000t", '\000' <repeats 31 times>, "@\"[\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b22c0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69792e0, tiny = {__data = "\340\222\227\366\f\177\000\000t", '\000' <repeats 31 times>, "@\"[\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0aee7fc700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0aee7fc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139684927751936, -4771262700614340274, 0, 8392704, 0, 139684927751936, 4890008862998901070, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 89 (Thread 0x7f0aedffb700 (LWP 35841)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=3992884760, absSteadyTime=absSteadyTime@entry=0x7f0aedfe95f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11b9f58) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608358130}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11b9f58, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0aedfe9618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11b9f58) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11b9f58, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608358130}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11b9f58, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11b9f58}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 0 '\000', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f99a00, tiny = {__data = "\000\232\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\001\214\000\000\000\000\000\000\260\003\000\000\000\000\000\000\020\231\376\355\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518986795785}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c01, tiny = {__data = "\001\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\352~o\v\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2300) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2300: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979310, tiny = {__data = "\020\223\227\366\f\177\000\000\006\000\000\000\000\000\000\000status", '\000' <repeats 25 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2300) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0aedfe99a0 "WriterPool42"}, _M_string_length = 12, {_M_local_buf = "WriterPool42\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979310, tiny = {__data = "\020\223\227\366\f\177\000\000\006\000\000\000\000\000\000\000status", '\000' <repeats 25 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2300: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979310, tiny = {__data = "\020\223\227\366\f\177\000\000\006\000\000\000\000\000\000\000status", '\000' <repeats 25 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0aedffb700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0aedffb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139684919359232, -4771262700614340274, 0, 8392704, 0, 139684919359232, 4890005566074630478, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 88 (Thread 0x7f0aed7fa700 (LWP 35842)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=3984492056, absSteadyTime=absSteadyTime@entry=0x7f0aed7e85f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11be878) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608362051}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11be878, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0aed7e8618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11be878) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11be878, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608362051}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11be878, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11be878}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 112 'p', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f9a870, tiny = {__data = "p\250\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\002\214\000\000\000\000\000\000\270\003\000\000\000\000\000\000\020\211~\355\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518992087259}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c02, tiny = {__data = "\002\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\272\376\355\n\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185675136}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2340) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2340: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979340, tiny = {__data = "@\223\227\366\f\177\000\000\000\000\000\000\000\000\000\000`#[\023\r\177\000\000\006\000\000\000\000\000\000\000remote\000\000\000\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2340) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0aed7e89a0 "WriterPool43"}, _M_string_length = 12, {_M_local_buf = "WriterPool43\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979340, tiny = {__data = "@\223\227\366\f\177\000\000\000\000\000\000\000\000\000\000`#[\023\r\177\000\000\006\000\000\000\000\000\000\000remote\000\000\000\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2340: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979340, tiny = {__data = "@\223\227\366\f\177\000\000\000\000\000\000\000\000\000\000`#[\023\r\177\000\000\006\000\000\000\000\000\000\000remote\000\000\000\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0aed7fa700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0aed7fa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139684910966528, -4771262700614340274, 0, 8392704, 0, 139684910966528, 4890006665049387342, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 87 (Thread 0x7f0aecff9700 (LWP 35843)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=3976099352, absSteadyTime=absSteadyTime@entry=0x7f0aecfe75f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c4db8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608366753}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c4db8, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0aecfe7618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c4db8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c4db8, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608366753}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c4db8, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c4db8}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 0 '\000', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f99a00, tiny = {__data = "\000\232\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\003\214\000\000\000\000\000\000\300\003\000\000\000\000\000\000\020y\376\354\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518964086706}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c03, tiny = {__data = "\003\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\252~\355\n\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185674880}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2380) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2380: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979370, tiny = {__data = "p\223\227\366\f\177\000\000\030\276Z\023\r\177\000\000\000\000\000\000\000\000\000\000\320#[\023\r\177\000\000\260#[\023\r\177\000\000\002\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2380) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0aecfe79a0 "WriterPool44"}, _M_string_length = 12, {_M_local_buf = "WriterPool44\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979370, tiny = {__data = "p\223\227\366\f\177\000\000\030\276Z\023\r\177\000\000\000\000\000\000\000\000\000\000\320#[\023\r\177\000\000\260#[\023\r\177\000\000\002\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2380: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979370, tiny = {__data = "p\223\227\366\f\177\000\000\030\276Z\023\r\177\000\000\000\000\000\000\000\000\000\000\320#[\023\r\177\000\000\260#[\023\r\177\000\000\002\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0aecff9700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0aecff9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139684902573824, -4771262700614340274, 0, 8392704, 0, 139684902573824, 4890003363830149454, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 86 (Thread 0x7f0acffff700 (LWP 35844)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=3489584664, absSteadyTime=absSteadyTime@entry=0x7f0acffed5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11cca68) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608373734}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11cca68, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0acffed618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11cca68) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11cca68, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608373734}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11cca68, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11cca68}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -96 '\240', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f99ca0, tiny = {__data = "\240\234\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\004\214\000\000\000\000\000\000\310\003\000\000\000\000\000\000\020\331\376\317\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518992029753}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c04, tiny = {__data = "\004\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\331\376\317\n\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139681253474399}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b23c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b23c0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69793a0, tiny = {__data = "\240\223\227\366\f\177", '\000' <repeats 18 times>, "\200#[\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b23c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0acffed9a0 "WriterPool45"}, _M_string_length = 12, {_M_local_buf = "WriterPool45\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69793a0, tiny = {__data = "\240\223\227\366\f\177", '\000' <repeats 18 times>, "\200#[\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b23c0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69793a0, tiny = {__data = "\240\223\227\366\f\177", '\000' <repeats 18 times>, "\200#[\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0acffff700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0acffff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139684416059136, -4771262700614340274, 0, 8392704, 0, 139684416059136, 4889939597524447566, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 85 (Thread 0x7f0acf7fe700 (LWP 35845)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=3481191960, absSteadyTime=absSteadyTime@entry=0x7f0acf7ec5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11cbf40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608378806}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11cbf40, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0acf7ec618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11cbf40) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11cbf40, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608378806}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11cbf40, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11cbf40}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -64 '\300', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f9a2c0, tiny = {__data = "\300\242\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\005\214\000\000\000\000\000\000\320\003\000\000\000\000\000\000\020\311~\317\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518996569649}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c05, tiny = {__data = "\005\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\311~\317\n\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2400) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2400: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69793d0, tiny = {__data = "Г\227\366\f\177", '\000' <repeats 35 times>, "![\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2400) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0acf7ec9a0 "WriterPool46"}, _M_string_length = 12, {_M_local_buf = "WriterPool46\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69793d0, tiny = {__data = "Г\227\366\f\177", '\000' <repeats 35 times>, "![\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2400: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69793d0, tiny = {__data = "Г\227\366\f\177", '\000' <repeats 35 times>, "![\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0acf7fe700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0acf7fe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139684407666432, -4771262700614340274, 0, 8392704, 0, 139684407666432, 4889940696499204430, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 84 (Thread 0x7f0aceffd700 (LWP 35846)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=3472799256, absSteadyTime=absSteadyTime@entry=0x7f0acefeb5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c58c8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608383316}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c58c8, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0acefeb618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c58c8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c58c8, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608383316}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c58c8, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c58c8}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 0 '\000', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f9a800, tiny = {__data = "\000\250\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\006\214\000\000\000\000\000\000\330\003\000\000\000\000\000\000\020\271\376\316\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518996533432}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c06, tiny = {__data = "\006\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\312~\356\n\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2440) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2440: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979400, tiny = {__data = "\000\224\227\366\f\177\000\000\005\000\000\000\000\000\000\000local", '\000' <repeats 26 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2440) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0acefeb9a0 "WriterPool47"}, _M_string_length = 12, {_M_local_buf = "WriterPool47\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979400, tiny = {__data = "\000\224\227\366\f\177\000\000\005\000\000\000\000\000\000\000local", '\000' <repeats 26 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2440: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979400, tiny = {__data = "\000\224\227\366\f\177\000\000\005\000\000\000\000\000\000\000local", '\000' <repeats 26 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0aceffd700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0aceffd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139684399273728, -4771262700614340274, 0, 8392704, 0, 139684399273728, 4889937395279966542, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 83 (Thread 0x7f0ace7fc700 (LWP 35847)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=3464406552, absSteadyTime=absSteadyTime@entry=0x7f0ace7ea5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11b92e0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608388929}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11b92e0, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0ace7ea618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11b92e0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11b92e0, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608388929}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11b92e0, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11b92e0}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 112 'p', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f9a170, tiny = {__data = "p\241\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\a\214\000\000\000\000\000\000\340\003\000\000\000\000\000\000\020\251~\316\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518986013684}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c07, tiny = {__data = "\a\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\332\376\316\n\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185561088}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2480) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2480: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979430, tiny = {__data = "0\224\227\366\f\177\000\000\300$[\023\r\177\000\000\240$[\023\r\177\000\000\002\000\000\000\000\000\000\000ip", '\000' <repeats 13 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2480) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0ace7ea9a0 "WriterPool48"}, _M_string_length = 12, {_M_local_buf = "WriterPool48\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979430, tiny = {__data = "0\224\227\366\f\177\000\000\300$[\023\r\177\000\000\240$[\023\r\177\000\000\002\000\000\000\000\000\000\000ip", '\000' <repeats 13 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2480: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979430, tiny = {__data = "0\224\227\366\f\177\000\000\300$[\023\r\177\000\000\240$[\023\r\177\000\000\002\000\000\000\000\000\000\000ip", '\000' <repeats 13 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0ace7fc700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0ace7fc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139684390881024, -4771262700614340274, 0, 8392704, 0, 139684390881024, 4889938494254723406, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 82 (Thread 0x7f0acdffb700 (LWP 35848)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=3456013848, absSteadyTime=absSteadyTime@entry=0x7f0acdfe95f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11bad68) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608423567}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11bad68, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0acdfe9618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11bad68) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11bad68, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608423567}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11bad68, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11bad68}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -32 '\340', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f99ae0, tiny = {__data = "\340\232\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\b\214\000\000\000\000\000\000\350\003\000\000\000\000\000\000\020\231\376\315\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518984918871}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c08, tiny = {__data = "\b\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\252~\t\r\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185566976}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b24c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b24c0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979460, tiny = {__data = "`\224\227\366\f\177\000\000p$[\023\r\177", '\000' <repeats 18 times>, "\360$[\023\r\177\000\000\004\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b24c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0acdfe99a0 "WriterPool49"}, _M_string_length = 12, {_M_local_buf = "WriterPool49\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979460, tiny = {__data = "`\224\227\366\f\177\000\000p$[\023\r\177", '\000' <repeats 18 times>, "\360$[\023\r\177\000\000\004\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b24c0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979460, tiny = {__data = "`\224\227\366\f\177\000\000p$[\023\r\177", '\000' <repeats 18 times>, "\360$[\023\r\177\000\000\004\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0acdffb700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0acdffb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139684382488320, -4771262700614340274, 0, 8392704, 0, 139684382488320, 4889935197330452814, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 81 (Thread 0x7f0acd7fa700 (LWP 35849)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=3447621144, absSteadyTime=absSteadyTime@entry=0x7f0acd7e85f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c61f8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608400212}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c61f8, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0acd7e8618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c61f8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c61f8, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608400212}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c61f8, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c61f8}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 32 ' ', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08eaa6f720, tiny = {__data = " \367\246\352\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\t\214\000\000\000\000\000\000\360\003\000\000\000\000\000\000\020\211~\315\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518039226410}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c09, tiny = {__data = "\t\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\232\376\b\r\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2500) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2500: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979490, tiny = {__data = "\220\224\227\366\f\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000 $[\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2500) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0acd7e89a0 "WriterPool50"}, _M_string_length = 12, {_M_local_buf = "WriterPool50\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979490, tiny = {__data = "\220\224\227\366\f\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000 $[\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2500: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979490, tiny = {__data = "\220\224\227\366\f\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000 $[\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0acd7fa700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0acd7fa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139684374095616, -4771262700614340274, 0, 8392704, 0, 139684374095616, 4889936296305209678, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 80 (Thread 0x7f0accff9700 (LWP 35850)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=3439228440, absSteadyTime=absSteadyTime@entry=0x7f0accfe75f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11b80f8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608405936}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11b80f8, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0accfe7618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11b80f8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11b80f8, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608405936}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11b80f8, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11b80f8}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 96 '`', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08eaa6fc60, tiny = {__data = "`\374\246\352\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\n\214\000\000\000\000\000\000\370\003\000\000\000\000\000\000\020y\376\314\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518964070363}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c0a, tiny = {__data = "\n\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\372\336\365\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185674880}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2540) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2540: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69794c0, tiny = {__data = "\300\224\227\366\f\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000x\276Z\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2540) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0accfe79a0 "WriterPool51"}, _M_string_length = 12, {_M_local_buf = "WriterPool51\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69794c0, tiny = {__data = "\300\224\227\366\f\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000x\276Z\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2540: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69794c0, tiny = {__data = "\300\224\227\366\f\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000x\276Z\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0accff9700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0accff9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139684365702912, -4771262700614340274, 0, 8392704, 0, 139684365702912, 4889932995085971790, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 79 (Thread 0x7f0aaffff700 (LWP 35851)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2952713752, absSteadyTime=absSteadyTime@entry=0x7f0aaffed5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c6a50) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608415639}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c6a50, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0aaffed618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c6a50) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c6a50, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608415639}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c6a50, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c6a50}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 80 'P', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08eaa6eb50, tiny = {__data = "P\353\246\352\b\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\v\214\000\000\000\000\000\000\000\004\000\000\000\000\000\000\020\331\376\257\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518992518477}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c0b, tiny = {__data = "\v\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\331\376\257\n\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185675136}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2580) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2580: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69794f0, tiny = {__data = "\360\224\227\366\f\177\000\000\n\000\000\000\000\000\000\000errorCount", '\000' <repeats 21 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2580) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0aaffed9a0 "WriterPool52"}, _M_string_length = 12, {_M_local_buf = "WriterPool52\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69794f0, tiny = {__data = "\360\224\227\366\f\177\000\000\n\000\000\000\000\000\000\000errorCount", '\000' <repeats 21 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2580: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69794f0, tiny = {__data = "\360\224\227\366\f\177\000\000\n\000\000\000\000\000\000\000errorCount", '\000' <repeats 21 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0aaffff700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0aaffff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139683879188224, -4771262700614340274, 0, 8392704, 0, 139683879188224, 4889869228780269902, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 78 (Thread 0x7f0aaf7fe700 (LWP 35852)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2944321048, absSteadyTime=absSteadyTime@entry=0x7f0aaf7ec5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11ca038) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608422874}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11ca038, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0aaf7ec618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11ca038) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11ca038, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608422874}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11ca038, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11ca038}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 48 '0', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f9a330, tiny = {__data = "0\243\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\f\214\000\000\000\000\000\000\b\004\000\000\000\000\000\000\020\311~\257\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518925890531}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c0c, tiny = {__data = "\f\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\311~\257\n\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b25c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b25c0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979520, tiny = {__data = " \225\227\366\f\177\000\000\000&[\023\r\177\000\000\340%[\023\r\177\000\000\v\000\000\000\000\000\000\000resultCount\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b25c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0aaf7ec9a0 "WriterPool53"}, _M_string_length = 12, {_M_local_buf = "WriterPool53\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979520, tiny = {__data = " \225\227\366\f\177\000\000\000&[\023\r\177\000\000\340%[\023\r\177\000\000\v\000\000\000\000\000\000\000resultCount\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b25c0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979520, tiny = {__data = " \225\227\366\f\177\000\000\000&[\023\r\177\000\000\340%[\023\r\177\000\000\v\000\000\000\000\000\000\000resultCount\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0aaf7fe700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0aaf7fe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139683870795520, -4771262700614340274, 0, 8392704, 0, 139683870795520, 4889870327755026766, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 77 (Thread 0x7f0aaeffd700 (LWP 35853)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2935928344, absSteadyTime=absSteadyTime@entry=0x7f0aaefeb5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c0cd8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608425717}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c0cd8, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0aaefeb618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c0cd8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c0cd8, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608425717}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c0cd8, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c0cd8}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 96 '`', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f99e60, tiny = {__data = "`\236\371\301\b\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\r\214\000\000\000\000\000\000\020\004\000\000\000\000\000\000\020\271\376\256\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518988021200}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c0d, tiny = {__data = "\r\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\312~\316\n\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2600) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2600: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979550, tiny = {__data = "P\225\227\366\f\177\000\000\260%[\023\r\177\000\000\000\000\000\000\000\000\000\000P&[\023\r\177\000\000\060&[\023\r\177\000\000\n\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2600) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0aaefeb9a0 "WriterPool54"}, _M_string_length = 12, {_M_local_buf = "WriterPool54\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979550, tiny = {__data = "P\225\227\366\f\177\000\000\260%[\023\r\177\000\000\000\000\000\000\000\000\000\000P&[\023\r\177\000\000\060&[\023\r\177\000\000\n\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2600: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979550, tiny = {__data = "P\225\227\366\f\177\000\000\260%[\023\r\177\000\000\000\000\000\000\000\000\000\000P&[\023\r\177\000\000\060&[\023\r\177\000\000\n\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0aaeffd700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0aaeffd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139683862402816, -4771262700614340274, 0, 8392704, 0, 139683862402816, 4889867026535788878, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 76 (Thread 0x7f0aae7fc700 (LWP 35854)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2927535640, absSteadyTime=absSteadyTime@entry=0x7f0aae7ea5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11b9c58) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608437764}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11b9c58, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0aae7ea618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11b9c58) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11b9c58, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608437764}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11b9c58, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11b9c58}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -32 '\340', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08eaa6f1e0, tiny = {__data = "\340\361\246\352\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\016\214\000\000\000\000\000\000\030\004\000\000\000\000\000\000\020\251~\256\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518037997994}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c0e, tiny = {__data = "\016\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\332\376\256\n\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2640) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2640: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979580, tiny = {__data = "\200\225\227\366\f\177", '\000' <repeats 19 times>, "&[\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2640) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0aae7ea9a0 "WriterPool55"}, _M_string_length = 12, {_M_local_buf = "WriterPool55\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979580, tiny = {__data = "\200\225\227\366\f\177", '\000' <repeats 19 times>, "&[\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2640: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979580, tiny = {__data = "\200\225\227\366\f\177", '\000' <repeats 19 times>, "&[\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0aae7fc700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0aae7fc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139683854010112, -4771262700614340274, 0, 8392704, 0, 139683854010112, 4889868125510545742, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 75 (Thread 0x7f0aadffb700 (LWP 35855)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2919142936, absSteadyTime=absSteadyTime@entry=0x7f0aadfe95f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c4ea8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608443890}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c4ea8, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0aadfe9618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c4ea8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c4ea8, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608443890}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c4ea8, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c4ea8}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 80 'P', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08eaa6eb50, tiny = {__data = "P\353\246\352\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\017\214\000\000\000\000\000\000 \004\000\000\000\000\000\000\020\231\376\255\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518998818352}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c0f, tiny = {__data = "\017\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000pڜ\343\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2680) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2680: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69795b0, tiny = {__data = "\260\225\227\366\f\177\000\000ount", '\000' <repeats 20 times>, "\001\000\000\000\000\000\000\000\260%[\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2680) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0aadfe99a0 "WriterPool56"}, _M_string_length = 12, {_M_local_buf = "WriterPool56\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69795b0, tiny = {__data = "\260\225\227\366\f\177\000\000ount", '\000' <repeats 20 times>, "\001\000\000\000\000\000\000\000\260%[\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2680: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69795b0, tiny = {__data = "\260\225\227\366\f\177\000\000ount", '\000' <repeats 20 times>, "\001\000\000\000\000\000\000\000\260%[\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0aadffb700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0aadffb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139683845617408, -4771262700614340274, 0, 8392704, 0, 139683845617408, 4889864828586275150, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 74 (Thread 0x7f0aad7fa700 (LWP 35856)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2910750232, absSteadyTime=absSteadyTime@entry=0x7f0aad7e85f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11b9cd0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608450685}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11b9cd0, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0aad7e8618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11b9cd0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11b9cd0, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608450685}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11b9cd0, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11b9cd0}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -96 '\240', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f99ca0, tiny = {__data = "\240\234\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\020\214\000\000\000\000\000\000(\004\000\000\000\000\000\000\020\211~\255\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518996538719}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c10, tiny = {__data = "\020\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\332\376n\v\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b26c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b26c0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69795e0, tiny = {__data = "\340\225\227\366\f\177\000\000\r\000\000\000\000\000\000\000executionTime", '\000' <repeats 18 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b26c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0aad7e89a0 "WriterPool57"}, _M_string_length = 12, {_M_local_buf = "WriterPool57\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69795e0, tiny = {__data = "\340\225\227\366\f\177\000\000\r\000\000\000\000\000\000\000executionTime", '\000' <repeats 18 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b26c0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf69795e0, tiny = {__data = "\340\225\227\366\f\177\000\000\r\000\000\000\000\000\000\000executionTime", '\000' <repeats 18 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0aad7fa700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0aad7fa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139683837224704, -4771262700614340274, 0, 8392704, 0, 139683837224704, 4889865927561032014, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 73 (Thread 0x7f0aacff9700 (LWP 35857)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2902357528, absSteadyTime=absSteadyTime@entry=0x7f0aacfe75f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c90f0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608455713}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c90f0, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0aacfe7618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c90f0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c90f0, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608455713}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c90f0, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c90f0}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -64 '\300', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f99bc0, tiny = {__data = "\300\233\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\021\214\000\000\000\000\000\000\060\004\000\000\000\000\000\000\020y\376\254\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123505036029129}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c11, tiny = {__data = "\021\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000pj}\367\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139681253474399}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2700) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2700: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979610, tiny = {__data = "\020\226\227\366\f\177\000\000\000\000\000\000\000\000\000\000 '[\023\r\177\000\000\v\000\000\000\000\000\000\000elapsedTime\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2700) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0aacfe79a0 "WriterPool58"}, _M_string_length = 12, {_M_local_buf = "WriterPool58\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979610, tiny = {__data = "\020\226\227\366\f\177\000\000\000\000\000\000\000\000\000\000 '[\023\r\177\000\000\v\000\000\000\000\000\000\000elapsedTime\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2700: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979610, tiny = {__data = "\020\226\227\366\f\177\000\000\000\000\000\000\000\000\000\000 '[\023\r\177\000\000\v\000\000\000\000\000\000\000elapsedTime\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0aacff9700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0aacff9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139683828832000, -4771262700614340274, 0, 8392704, 0, 139683828832000, 4889862626341794126, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 72 (Thread 0x7f0a8ffff700 (LWP 35858)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2415842840, absSteadyTime=absSteadyTime@entry=0x7f0a8ffed5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c5d00) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608462447}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c5d00, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0a8ffed618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c5d00) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c5d00, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608462447}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c5d00, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c5d00}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -96 '\240', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f98ea0, tiny = {__data = "\240\216\371\301\b\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\022\214\000\000\000\000\000\000\070\004\000\000\000\000\000\000\020\331\376\217\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518988023789}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c12, tiny = {__data = "\022\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\252~\255\v\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2740) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2740: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979640, tiny = {__data = "@\226\227\366\f\177\000\000 $[\023\r\177", '\000' <repeats 18 times>, "p'[\023\r\177\000\000\a\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2740) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a8ffed9a0 "WriterPool59"}, _M_string_length = 12, {_M_local_buf = "WriterPool59\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979640, tiny = {__data = "@\226\227\366\f\177\000\000 $[\023\r\177", '\000' <repeats 18 times>, "p'[\023\r\177\000\000\a\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2740: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6979640, tiny = {__data = "@\226\227\366\f\177\000\000 $[\023\r\177", '\000' <repeats 18 times>, "p'[\023\r\177\000\000\a\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0a8ffff700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0a8ffff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139683342317312, -4771262700614340274, 0, 8392704, 0, 139683342317312, 4889798860036092238, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 71 (Thread 0x7f0a8f7fe700 (LWP 35859)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2407450136, absSteadyTime=absSteadyTime@entry=0x7f0a8f7ec5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c6c30) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608466258}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c6c30, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0a8f7ec618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c6c30) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c6c30, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608466258}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c6c30, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c6c30}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -96 '\240', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f9a3a0, tiny = {__data = "\240\243\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\023\214\000\000\000\000\000\000@\004\000\000\000\000\000\000\020\311~\217\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518996547164}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c13, tiny = {__data = "\023\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\232\376\254\v\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2780) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2780: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b18ff0, tiny = {__data = "\360\217\261\366\f\177", '\000' <repeats 18 times>, "\360\034[\023\r\177\000\000\060([\023\r\177\000\000\340'[\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2780) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a8f7ec9a0 "WriterPool60"}, _M_string_length = 12, {_M_local_buf = "WriterPool60\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b18ff0, tiny = {__data = "\360\217\261\366\f\177", '\000' <repeats 18 times>, "\360\034[\023\r\177\000\000\060([\023\r\177\000\000\340'[\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2780: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b18ff0, tiny = {__data = "\360\217\261\366\f\177", '\000' <repeats 18 times>, "\360\034[\023\r\177\000\000\060([\023\r\177\000\000\340'[\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0a8f7fe700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0a8f7fe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139683333924608, -4771262700614340274, 0, 8392704, 0, 139683333924608, 4889799959010849102, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 70 (Thread 0x7f0a8effd700 (LWP 35860)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2399057432, absSteadyTime=absSteadyTime@entry=0x7f0a8efeb5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11cc750) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608473449}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11cc750, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0a8efeb618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11cc750) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11cc750, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608473449}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11cc750, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11cc750}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 16 '\020', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08eaa6ed10, tiny = {__data = "\020\355\246\352\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\024\214\000\000\000\000\000\000H\004\000\000\000\000\000\000\020\271\376\216\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518994425947}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c14, tiny = {__data = "\024\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\252~\215\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185132672}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b27c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b27c0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19020, tiny = {__data = " \220\261\366\f\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\220'[\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b27c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a8efeb9a0 "WriterPool61"}, _M_string_length = 12, {_M_local_buf = "WriterPool61\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19020, tiny = {__data = " \220\261\366\f\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\220'[\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b27c0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19020, tiny = {__data = " \220\261\366\f\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\220'[\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0a8effd700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0a8effd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139683325531904, -4771262700614340274, 0, 8392704, 0, 139683325531904, 4889796657791611214, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 69 (Thread 0x7f0a8e7fc700 (LWP 35861)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2390664728, absSteadyTime=absSteadyTime@entry=0x7f0a8e7ea5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11ba798) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608477047}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11ba798, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0a8e7ea618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11ba798) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11ba798, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608477047}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11ba798, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11ba798}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -64 '\300', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f971c0, tiny = {__data = "\300q\371\301\b\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\025\214\000\000\000\000\000\000P\004\000\000\000\000\000\000\020\251~\216\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518967772553}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c15, tiny = {__data = "\025\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\232\376\214\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2800) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2800: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19050, tiny = {__data = "P\220\261\366\f\177\000\000\023\000\000\000\000\000\000\000\023", '\000' <repeats 30 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2800) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a8e7ea9a0 "WriterPool62"}, _M_string_length = 12, {_M_local_buf = "WriterPool62\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19050, tiny = {__data = "P\220\261\366\f\177\000\000\023\000\000\000\000\000\000\000\023", '\000' <repeats 30 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2800: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19050, tiny = {__data = "P\220\261\366\f\177\000\000\023\000\000\000\000\000\000\000\023", '\000' <repeats 30 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0a8e7fc700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0a8e7fc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139683317139200, -4771262700614340274, 0, 8392704, 0, 139683317139200, 4889797756766368078, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 68 (Thread 0x7f0a8dffb700 (LWP 35862)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2382272024, absSteadyTime=absSteadyTime@entry=0x7f0a8dfe95f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c7b90) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608485236}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c7b90, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0a8dfe9618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c7b90) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c7b90, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608485236}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c7b90, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c7b90}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -32 '\340', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f9a1e0, tiny = {__data = "\340\241\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\026\214\000\000\000\000\000\000X\004\000\000\000\000\000\000\020\231\376\215\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518994161633}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c16, tiny = {__data = "\026\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\312~n\v\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139681253474399}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2840) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2840: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19080, tiny = {__data = "\200\220\261\366\f\177\000\000\000\000\000\000\000\000\000\000`([\023\r\177\000\000\v\000\000\000\000\000\000\000description\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2840) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a8dfe99a0 "WriterPool63"}, _M_string_length = 12, {_M_local_buf = "WriterPool63\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19080, tiny = {__data = "\200\220\261\366\f\177\000\000\000\000\000\000\000\000\000\000`([\023\r\177\000\000\v\000\000\000\000\000\000\000description\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2840: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19080, tiny = {__data = "\200\220\261\366\f\177\000\000\000\000\000\000\000\000\000\000`([\023\r\177\000\000\v\000\000\000\000\000\000\000description\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0a8dffb700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0a8dffb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139683308746496, -4771262700614340274, 0, 8392704, 0, 139683308746496, 4889794459842097486, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 67 (Thread 0x7f0a8d7fa700 (LWP 35863)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=2373879320, absSteadyTime=absSteadyTime@entry=0x7f0a8d7e85f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c0a08) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608488794}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c0a08, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0a8d7e8618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c0a08) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c0a08, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608488794}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c0a08, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c0a08}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 64 '@', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f9ad40, tiny = {__data = "@\255\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\027\214\000\000\000\000\000\000`\004\000\000\000\000\000\000\020\211~\215\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518997542263}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c17, tiny = {__data = "\027\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\272\376m\v\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2880) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2880: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b190b0, tiny = {__data = "\260\220\261\366\f\177\000\000ؾZ\023\r\177\000\000 3[\023\r\177\000\000\320([\023\r\177\000\000\260([\023\r\177\000\000\002\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2880) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a8d7e89a0 "WriterPool64"}, _M_string_length = 12, {_M_local_buf = "WriterPool64\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b190b0, tiny = {__data = "\260\220\261\366\f\177\000\000ؾZ\023\r\177\000\000 3[\023\r\177\000\000\320([\023\r\177\000\000\260([\023\r\177\000\000\002\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2880: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b190b0, tiny = {__data = "\260\220\261\366\f\177\000\000ؾZ\023\r\177\000\000 3[\023\r\177\000\000\320([\023\r\177\000\000\260([\023\r\177\000\000\002\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0a8d7fa700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0a8d7fa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139683300353792, -4771262700614340274, 0, 8392704, 0, 139683300353792, 4889795558816854350, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 66 (Thread 0x7f0a8cff9700 (LWP 35864)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
No locals.
#1  0x00000000009e15d1 in __gthread_cond_timedwait (__abs_timeout=0x7f0a8cfe6160, __mutex=<optimized out>, __cond=0x7f08efc92268) at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:872
No locals.
#2  __wait_until_impl<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__lock=..., __lock=..., __atime=..., this=0x7f08efc92268) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:232
        __ts = {tv_sec = 1638524634, tv_nsec = 604993528}
#3  wait_until<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=0x7f08efc92268) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:126
No locals.
#4  operator() (__closure=<synthetic pointer>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/lsm/lsm_tree.cc:349
        now = <optimized out>
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x7f08ea97b410}, <No data fields>}, <No data fields>}}, <No data fields>}}}
#5  magma::LSMTree::tryLevel0BlockingCompaction() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/lsm/lsm_tree.cc:364
        bt = {dest = 0x7f08f022fad0, start = {__d = {__r = 15123204527852861}}, name = 0x0, out = 0x0}
        lock = {_M_device = 0x7f08efc920f0, _M_owns = true}
        ratio = <optimized out>
        needsLevel0Compact = {__ratio = <synthetic pointer>, __this = 0x7f08efc92000}
#6  0x00000000009e9e72 in add (autoFlush=false, rawVal=..., rawKey=..., op=magma::Update, this=0x7f08efc92000) at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/lsm/lsm_tree.cc:316
No locals.
#7  magma::LSMTree::Write(magma::Operation, magma::Slice const&, magma::Slice const&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/lsm/lsm_tree.cc:1491
No locals.
#8  0x000000000097e08e in magma::KVStore::writeDocument(magma::Magma::WriteOperation const&, magma::WAL*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/kvstore/kvstore.cc:827
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
        doReplace = true
        walOffset = {SegID = 9880, SegOffset = 19}
        doValueSplitting = <optimized out>
        seqValue = {data = 0x7f0877d75580 "\016\034", len = 51}
        seqKey = {data = 0x7f08f31d3828 "", len = 8}
#9  0x000000000097e105 in magma::KVStore::write(magma::Magma::WriteOperation const&, magma::WAL*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/kvstore/kvstore.cc:630
No locals.
#10 0x000000000098c719 in magma::KVStore::WriteDocs(magma::WAL*, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const&, std::function<void (magma::Magma::WriteOperation const&, bool, magma::Slice)>, std::function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> ()>) ()
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/kvstore/write.cc:162
        i = 0
        lock = {_M_device = @0x7f08f31d3830}
        kvID = 4
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
        deltas = {<std::_Vector_base<magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::DeltaInfo, std::allocator<magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::DeltaInfo> >> = {
            _M_impl = {<std::allocator<magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::DeltaInfo>> = {<__gnu_cxx::new_allocator<magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::DeltaInfo>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::DeltaInfo, std::allocator<magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::DeltaInfo> >::_Vector_impl_data> = {_M_start = 0x7f08eed09000, _M_finish = 0x7f08eed0f160, _M_end_of_storage = 0x7f08eed0f160}, <No data fields>}}, <No data fields>}
        rstats = {NBytesOutgoing = 0, NReadBytes = 335830, NReadIOs = 104, NDataBlockReads = 1377, NIndexBlockReads = 2239}
        postOps = 0x7f0a8cfe6a40
        doWALAbort = true
        doAbortTxn = true
        _ = {fn = {<std::_Maybe_unary_or_binary_function<void>> = {<No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x7f08dd839fe0, _M_const_object = 0x7f08dd839fe0, _M_function_pointer = 0x7f08dd839fe0, _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x7f08dd839fe0}, 
                _M_pod_data = "\340\237\203\335\b\177\000\000\000\000\000\000\000\000\000"}, _M_manager = 0x98bbb0 <std::_Function_handler<void(), magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::<lambda()> >::_M_manager(std::_Any_data &, const std::_Any_data &, std::_Manager_operation)>}, 
            _M_invoker = 0x98bb70 <std::_Function_handler<void(), magma::KVStore::WriteDocs(magma::WAL*, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::<lambda()> >::_M_invoke(const std::_Any_data &)>}}
        deltaSeqnoFmt = {seqno = 6014136, buf = "\000\000\000\000\000[ĸ"}
        deltaValFmt = {fields = 8 '\b', key = {data = 0x0, len = 0}, meta = {data = 0x0, len = 0}, value = {data = 0x0, len = 0}, logicalSize = 1444, buffer = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a8cfe6610 "\b\244\005"}, _M_string_length = 5, {
              _M_local_buf = "\b\244\005\000\000\000\000\000\311\065\271\000\000\000\000", _M_allocated_capacity = 369672}}}
#11 0x0000000000952f55 in magma::Magma::Impl::WriteDocs(unsigned short, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const&, unsigned int, std::function<void (magma::Magma::WriteOperation const&, bool, magma::Slice)>, std::function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> ()>) ()
    at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
        kvstore = {<std::__shared_ptr<magma::KVStore, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::KVStore, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f08f31d3610, _M_refcount = {_M_pi = 0x7f08f31d3600}}, <No data fields>}
#12 0x0000000000953102 in magma::Magma::WriteDocs(unsigned short, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const&, unsigned int, std::function<void (magma::Magma::WriteOperation const&, bool, magma::Slice)>, std::function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> ()>) ()
    at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
No locals.
#13 0x0000000000890ef4 in MagmaMemoryTrackingProxy::WriteDocs(unsigned short, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const&, unsigned int, std::function<void (magma::Magma::WriteOperation const&, bool, magma::Slice)>, std::function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> ()>) ()
    at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
        wrappedDocCallback = {<std::_Maybe_unary_or_binary_function<void, magma::Magma::WriteOperation const&, bool, magma::Slice>> = {<No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x7f0a8cfe6aa0, _M_const_object = 0x7f0a8cfe6aa0, _M_function_pointer = 0x7f0a8cfe6aa0, 
                _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x7f0a8cfe6aa0, this adjustment 139683291884240}, _M_pod_data = "\240j\376\214\n\177\000\000\320j\376\214\n\177\000"}, 
            _M_manager = 0x88f9a0 <std::_Function_handler<void(const magma::Magma::WriteOperation&, bool, magma::Slice), MagmaMemoryTrackingProxy::WriteDocs(magma::Magma::KVStoreID, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::KVStoreRevision, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::<lambda(const magma::Magma::WriteOperation&, bool, magma::Slice)> >::_M_manager(std::_Any_data &, const std::_Any_data &, std::_Manager_operation)>}, 
          _M_invoker = 0x88f810 <std::_Function_handler<void (magma::Magma::WriteOperation const&, bool, magma::Slice), MagmaMemoryTrackingProxy::WriteDocs(unsigned short, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const&, unsigned int, std::function<void (magma::Magma::WriteOperation const&, bool, magma::Slice)>, std::function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> ()>)::{lambda(magma::Magma::WriteOperation const&, bool, magma::Slice)#1}>::_M_invoke(std::_Any_data const&, magma::Magma::WriteOperation const&, bool&&, magma::Slice&&)>}
        wrappedPostCallback = {<std::_Maybe_unary_or_binary_function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> >> = {<No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x7f0a8cfe6ac0, _M_const_object = 0x7f0a8cfe6ac0, 
                _M_function_pointer = 0x7f0a8cfe6ac0, _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x7f0a8cfe6ac0, this adjustment 139683291884240}, _M_pod_data = "\300j\376\214\n\177\000\000\320j\376\214\n\177\000"}, 
            _M_manager = 0x88f9e0 <std::_Function_handler<std::pair<magma::Status, const std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> >*>(), MagmaMemoryTrackingProxy::WriteDocs(magma::Magma::KVStoreID, const std::vector<magma::Magma::WriteOperation>&, magma::Magma::KVStoreRevision, magma::Magma::WriteDocsCallback, magma::Magma::PostWriteDocsCallback)::<lambda()> >::_M_manager(std::_Any_data &, const std::_Any_data &, std::_Manager_operation)>}, 
          _M_invoker = 0x88f890 <std::_Function_handler<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> (), MagmaMemoryTrackingProxy::WriteDocs(unsigned short, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const&, unsigned int, std::function<void (magma::Magma::WriteOperation const&, bool, magma::Slice)>, std::function<std::pair<magma::Status, std::vector<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> > const*> ()>)::{lambda()#2}>::_M_invoke(std::_Any_data const&)>}
        domainGuard = {previous = cb::Primary}
#14 0x0000000000878d9f in MagmaKVStore::saveDocs(MagmaKVStoreTransactionContext&, VB::Commit&, kvstats_ctx&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/include/memcached/vbucket.h:62
        ninserts = 807
        ndeletes = 751
        vbid = {vbid = 4}
        writeDocsCB = <optimized out>
        localDbReqs = {<std::_Vector_base<MagmaKVStore::MagmaLocalReq, std::allocator<MagmaKVStore::MagmaLocalReq> >> = {_M_impl = {<std::allocator<MagmaKVStore::MagmaLocalReq>> = {<__gnu_cxx::new_allocator<MagmaKVStore::MagmaLocalReq>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<MagmaKVStore::MagmaLocalReq, std::allocator<MagmaKVStore::MagmaLocalReq> >::_Vector_impl_data> = {
                _M_start = 0x7f08a1157400, _M_finish = 0x7f08a1157718, _M_end_of_storage = 0x7f08a1157880}, <No data fields>}}, <No data fields>}
        magmaDbStats = {<magma::UserStats> = {_vptr.UserStats = 0x105cb80 <vtable for MagmaDbStats+16>}, docCount = 56, purgeSeqno = {<ThrowExceptionPolicy<unsigned long>> = {label = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a8cfe6b10 "unlabelled"}, _M_string_length = 10, {
                  _M_local_buf = "unlabelled\000\000\000\000\000", _M_allocated_capacity = 7812730926796664437}}}, val = 0}}
        postWriteOps = {<std::_Vector_base<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> >> = {_M_impl = {<std::allocator<magma::Magma::WriteOperation>> = {<__gnu_cxx::new_allocator<magma::Magma::WriteOperation>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> >::_Vector_impl_data> = {
                _M_start = 0x7ef2be781d00, _M_finish = 0x7ef2be7821e0, _M_end_of_storage = 0x7ef2be782380}, <No data fields>}}, <No data fields>}
        lastSeqno = 8339274
        beginTime = {__d = {__r = 15123204527830227}}
        saveDocsDuration = {__r = 45329}
        postWriteDocsCB = {__this = <optimized out>, __commitData = <optimized out>, __localDbReqs = @0x7f0a8cfe6a20, __lastSeqno = @0x7f0a8cfe69f8, __vbid = <optimized out>, __ninserts = <optimized out>, __ndeletes = <optimized out>, __magmaDbStats = <optimized out>, __beginTime = <optimized out>, __saveDocsDuration = <optimized out>, __postWriteOps = <optimized out>}
        ctx = <optimized out>
        writeOps = {<std::_Vector_base<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> >> = {_M_impl = {<std::allocator<magma::Magma::WriteOperation>> = {<__gnu_cxx::new_allocator<magma::Magma::WriteOperation>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<magma::Magma::WriteOperation, std::allocator<magma::Magma::WriteOperation> >::_Vector_impl_data> = {
                _M_start = 0x7f08eee67000, _M_finish = 0x7f08eee8e8f0, _M_end_of_storage = 0x7f08eee8e8f0}, <No data fields>}}, <No data fields>}
        getDroppedStatus = <unknown type in /usr/lib/debug/opt/couchbase/bin/memcached-7.1.0-1817.x86_64.debug, CU 0x5a532c8, DIE 0x5c4cd67>
        dropped = <unknown type in /usr/lib/debug/opt/couchbase/bin/memcached-7.1.0-1817.x86_64.debug, CU 0x5a532c8, DIE 0x5c4cd78>
        manifestResult = {<std::__pair_base<bool, Monotonic<unsigned long, ThrowExceptionPolicy, cb::greater_equal> >> = {<No data fields>}, first = true, second = {<ThrowExceptionPolicy<unsigned long>> = {label = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a8cfe6b48 "unlabelled"}, 
                _M_string_length = 10, {_M_local_buf = "unlabelled\000\000\000\000\000", _M_allocated_capacity = 7812730926796664437}}}, val = 50}}
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x7f08eed065c0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
#15 0x00000000008718ff in MagmaKVStore::commit(std::unique_ptr<TransactionContext, std::default_delete<TransactionContext> >, VB::Commit&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kvstore/magma-kvstore/magma-kvstore.cc:711
        ctx = @0x7f08f4b72710: {<TransactionContext> = {_vptr.TransactionContext = 0x105ba48 <vtable for MagmaKVStoreTransactionContext+16>, kvstore = @0x7f08efdf8880, vbid = {vbid = 4}, cb = {_M_t = {<std::__uniq_ptr_impl<PersistenceCallback, std::default_delete<PersistenceCallback> >> = {
                  _M_t = {<std::_Tuple_impl<0, PersistenceCallback*, std::default_delete<PersistenceCallback> >> = {<std::_Tuple_impl<1, std::default_delete<PersistenceCallback> >> = {<std::_Head_base<1, std::default_delete<PersistenceCallback>, true>> = {<std::default_delete<PersistenceCallback>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, PersistenceCallback*, false>> = {
                        _M_head_impl = 0x7f075fe1e880}, <No data fields>}, <No data fields>}}, <No data fields>}}}, pendingReqs = {<std::_Deque_base<MagmaRequest, std::allocator<MagmaRequest> >> = {_M_impl = {<std::allocator<MagmaRequest>> = {<__gnu_cxx::new_allocator<MagmaRequest>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<MagmaRequest, std::allocator<MagmaRequest> >::_Deque_impl_data> = {
                  _M_map = 0x7f06ef050000, _M_map_size = 638, _M_start = {_M_cur = 0x7f08b9c20c00, _M_first = 0x7f08b9c20c00, _M_last = 0x7f08b9c20de0, _M_node = 0x7f06ef0506a0}, _M_finish = {_M_cur = 0x7f08cf7ed320, _M_first = 0x7f08cf7ed200, _M_last = 0x7f08cf7ed3e0, _M_node = 0x7f06ef051058}}, <No data fields>}}, <No data fields>}}
        kvctx = {commitData = @0x7f0a8cfe7070, onDiskPrepareDelta = 0, onDiskPrepareBytesDelta = 0}
        success = true
        errCode = <optimized out>
#16 0x000000000081b605 in EPBucket::commit(KVStoreIface&, std::unique_ptr<TransactionContext, std::default_delete<TransactionContext> >, VB::Commit&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_bucket.cc:927
        timer = {dest = 0x7f0d100005f8, start = {__d = {__r = 15123204482499950}}, name = 0xc7ae21 "disk_commit", out = 0x0}
        commit_start = <optimized out>
        vbid = {vbid = 4}
        res = <optimized out>
        commit_time = <optimized out>
#17 0x00000000008242dd in EPBucket::flushVBucket_UNLOCKED(LockedVBucketPtr) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_bucket.cc:799
        vbid = {vbid = 4}
        toFlush = {items = {<std::_Vector_base<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> >, std::allocator<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> > > >> = {
              _M_impl = {<std::allocator<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> > >> = {<__gnu_cxx::new_allocator<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> > >> = {<No data fields>}, <No data fields>}, <std::_Vector_base<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> >, std::allocator<SingleThreadedRCPtr<Item, Item*, std::default_delete<Item> > > >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, ranges = {<std::_Vector_base<CheckpointSnapshotRange, std::allocator<CheckpointSnapshotRange> >> = {
              _M_impl = {<std::allocator<CheckpointSnapshotRange>> = {<__gnu_cxx::new_allocator<CheckpointSnapshotRange>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<CheckpointSnapshotRange, std::allocator<CheckpointSnapshotRange> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, moreAvailable = false, 
          maxDeletedRevSeqno = {<std::_Optional_base<unsigned long, true, true>> = {<std::_Optional_base_impl<unsigned long, std::_Optional_base<unsigned long, true, true> >> = {<No data fields>}, _M_payload = {<std::_Optional_payload_base<unsigned long>> = {_M_payload = {_M_empty = {<No data fields>}, _M_value = 67}, 
                  _M_engaged = true}, <No data fields>}}, <std::_Enable_copy_move<true, true, true, true, std::optional<unsigned long> >> = {<No data fields>}, <No data fields>}, checkpointType = Disk, flushHandle = {_M_t = {<std::__uniq_ptr_impl<FlushHandle, std::default_delete<FlushHandle> >> = {
                _M_t = {<std::_Tuple_impl<0, FlushHandle*, std::default_delete<FlushHandle> >> = {<std::_Tuple_impl<1, std::default_delete<FlushHandle> >> = {<std::_Head_base<1, std::default_delete<FlushHandle>, true>> = {<std::default_delete<FlushHandle>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, FlushHandle*, false>> = {
                      _M_head_impl = 0x7f08ee6e51c0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
        moreAvailable = <optimized out>
        wakeupCheckpointRemover = <optimized out>
        range = <optimized out>
        rwUnderlying = 0x7f08efdf8880
        ctx = {_M_t = {<std::__uniq_ptr_impl<TransactionContext, std::default_delete<TransactionContext> >> = {
              _M_t = {<std::_Tuple_impl<0, TransactionContext*, std::default_delete<TransactionContext> >> = {<std::_Tuple_impl<1, std::default_delete<TransactionContext> >> = {<std::_Head_base<1, std::default_delete<TransactionContext>, true>> = {<std::default_delete<TransactionContext>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, TransactionContext*, false>> = {
                    _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}
        mustDedupe = <optimized out>
        prev = <optimized out>
        persistedVbState = <optimized out>
        vbstate = {static CurrentVersion = 4, maxDeletedSeqno = {counter = {_M_elems = "C\000\000\000\000"}}, highSeqno = 8336911, purgeSeqno = 8171543, lastSnapStart = 8310620, lastSnapEnd = 8339274, maxCas = 1638464686919188480, hlcCasEpochSeqno = 1, mightContainXattrs = false, supportsNamespaces = true, version = 4, persistedCompletedSeqno = 0, persistedPreparedSeqno = 0, highPreparedSeqno = 0, 
          maxVisibleSeqno = 8336911, onDiskPrepares = 0, onDiskPrepareBytes = 0, checkpointType = Disk, transition = {failovers = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
                _M_p = 0x7f0884960400 "[{\"id\":174503226390424,\"seq\":8339258},{\"id\":179079072769944,\"seq\":8291210},{\"id\":128264600868086,\"seq\":8291210},{\"id\":49390895422259,\"seq\":8291206},{\"id\":213403021404787,\"seq\":8291206},{\"id\":925859992"...}, _M_string_length = 919, {_M_local_buf = "\227\003", '\000' <repeats 13 times>, _M_allocated_capacity = 919}}, replicationTopology = {
              m_type = nlohmann::detail::null, m_value = {object = 0x0, array = 0x0, string = 0x0, binary = 0x0, boolean = false, number_integer = 0, number_unsigned = 0, number_float = 0}}, state = vbucket_state_replica}}
        logged = false
        callback = {__this = 0x7f0d100e2000, __logged = @0x7f0a8cfe6d95, __vbid = {vbid = <optimized out>}}
        writeOp = <optimized out>
        commitData = {collections = {collections = {
              _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, std::allocator<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::Flush::CollectionSpan>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0a8cfe70a0, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, 
                _M_single_bucket = 0x0}}, scopes = {
              _M_h = {<std::__detail::_Hashtable_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::__detail::_Select1st, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<ScopeID>, true>> = {<std::hash<ScopeID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<ScopeID>, true>> = {<std::equal_to<ScopeID>> = {<std::binary_function<ScopeID, ScopeID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<ScopeID, std::pair<ScopeID const, Collections::KVStore::OpenScope>, std::allocator<std::pair<ScopeID const, Collections::KVStore::OpenScope> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, Collections::KVStore::OpenScope>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, Collections::KVStore::OpenScope>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, Collections::KVStore::OpenScope>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<ScopeID const, Collections::KVStore::OpenScope>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0a8cfe70d8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, 
                _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, droppedScopes = {
              _M_h = {<std::__detail::_Hashtable_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::__detail::_Select1st, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<ScopeID>, true>> = {<std::hash<ScopeID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<ScopeID>, true>> = {<std::equal_to<ScopeID>> = {<std::binary_function<ScopeID, ScopeID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<ScopeID, std::pair<ScopeID const, unsigned long>, std::allocator<std::pair<ScopeID const, unsigned long> >, std::__detail::_Select1st, std::equal_to<ScopeID>, std::hash<ScopeID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, unsigned long>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, unsigned long>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<ScopeID const, unsigned long>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<ScopeID const, unsigned long>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0a8cfe7110, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, flushAccounting = {stats = {
                _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, 
                  _M_buckets = 0x7f087f93a240, _M_bucket_count = 13, _M_before_begin = {_M_nxt = 0x7f08e166b8c0}, _M_element_count = 10, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 13}, _M_single_bucket = 0x0}}, droppedStats = {
                _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, std::allocator<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::VB::FlushAccounting::StatisticsUpdate>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, 
                  _M_buckets = 0x7f0a8cfe7180, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, droppedCollections = {
                _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0a8cfe71b8, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, 
                    _M_next_resize = 0}, _M_single_bucket = 0x0}}, droppedInStore = {
                _M_h = {<std::__detail::_Hashtable_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, false, true> >> = {<std::__detail::_Hash_code_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::__detail::_Select1st, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<CollectionID>, true>> = {<std::hash<CollectionID>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<CollectionID>, true>> = {<std::equal_to<CollectionID>> = {<std::binary_function<CollectionID, CollectionID, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, false>> = {<std::__detail::_Insert_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<CollectionID, std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, std::allocator<std::pair<CollectionID const, Collections::KVStore::DroppedCollection> >, std::__detail::_Select1st, std::equal_to<CollectionID>, std::hash<CollectionID>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<CollectionID const, Collections::KVStore::DroppedCollection>, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0a8cfe71f0, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, 
                    _M_next_resize = 0}, _M_single_bucket = 0x0}}}, manifestUid = {<ThrowExceptionPolicy<unsigned long>> = {label = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a8cfe7208 "unlabelled"}, _M_string_length = 10, {_M_local_buf = "unlabelled\000\214\n\177\000", 
                    _M_allocated_capacity = 7812730926796664437}}}, val = 50}, 
            manifest = {<std::_Reference_wrapper_base_memfun<Collections::VB::Manifest, false>> = {<std::_Reference_wrapper_base<Collections::VB::Manifest>> = {<std::_Weak_result_type<Collections::VB::Manifest>> = {<std::_Weak_result_type_memfun<Collections::VB::Manifest, false>> = {<std::_Weak_result_type_impl<Collections::VB::Manifest>> = {<std::_Maybe_get_result_type<Collections::VB::Manifest, void>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::_Refwrap_base_arg1<Collections::VB::Manifest, void>> = {<No data fields>}, <std::_Refwrap_base_arg2<Collections::VB::Manifest, void>> = {<No data fields>}, <No data fields>}, <No data fields>}, _M_data = 0x7f0d101e11c0}, nonEmptyDroppedCollections = 0, needsMetaCommit = false}, writeOp = Upsert, proposedVBState = {
            static CurrentVersion = 4, maxDeletedSeqno = {counter = {_M_elems = "C\000\000\000\000"}}, highSeqno = 8339274, purgeSeqno = 8171543, lastSnapStart = 8339274, lastSnapEnd = 8339274, maxCas = 1638465057452261376, hlcCasEpochSeqno = 1, mightContainXattrs = false, supportsNamespaces = true, version = 4, persistedCompletedSeqno = 0, persistedPreparedSeqno = 0, highPreparedSeqno = 0, 
            maxVisibleSeqno = 8339274, onDiskPrepares = 0, onDiskPrepareBytes = 0, checkpointType = Disk, transition = {failovers = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
                  _M_p = 0x7f08e0434000 "[{\"id\":174503226390424,\"seq\":8339258},{\"id\":179079072769944,\"seq\":8291210},{\"id\":128264600868086,\"seq\":8291210},{\"id\":49390895422259,\"seq\":8291206},{\"id\":213403021404787,\"seq\":8291206},{\"id\":925859992"...}, _M_string_length = 919, {_M_local_buf = "\227\003\000\000\000\000\000\000\272Z\213\000\000\000\000", _M_allocated_capacity = 919}}, 
              replicationTopology = {m_type = nlohmann::detail::null, m_value = {object = 0x0, array = 0x0, string = 0x0, binary = 0x0, boolean = false, number_integer = 0, number_unsigned = 0, number_float = 0}}, state = vbucket_state_replica}}, 
          sysErrorCallback = {<std::_Maybe_unary_or_binary_function<bool, std::system_error const&>> = {<std::unary_function<std::system_error const&, bool>> = {<No data fields>}, <No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x7f07348d8a60, _M_const_object = 0x7f07348d8a60, _M_function_pointer = 0x7f07348d8a60, 
                  _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x7f07348d8a60, this adjustment 139676360867328}, _M_pod_data = "`\212\215\064\a\177\000\000\000~\337\357\b\177\000"}, 
              _M_manager = 0x819040 <std::_Function_handler<bool(const std::system_error&), EPBucket::flushVBucket_UNLOCKED(LockedVBucketPtr)::<lambda(const std::system_error&)> >::_M_manager(std::_Any_data &, const std::_Any_data &, std::_Manager_operation)>}, 
            _M_invoker = 0x818ee0 <std::_Function_handler<bool(const std::system_error&), EPBucket::flushVBucket_UNLOCKED(LockedVBucketPtr)::<lambda(const std::system_error&)> >::_M_invoke(const std::_Any_data &, const std::system_error &)>}}
        proposedVBState = @0x7f0a8cfe7238: {static CurrentVersion = 4, maxDeletedSeqno = {counter = {_M_elems = "C\000\000\000\000"}}, highSeqno = 8339274, purgeSeqno = 8171543, lastSnapStart = 8339274, lastSnapEnd = 8339274, maxCas = 1638465057452261376, hlcCasEpochSeqno = 1, mightContainXattrs = false, supportsNamespaces = true, version = 4, persistedCompletedSeqno = 0, persistedPreparedSeqno = 0, 
          highPreparedSeqno = 0, maxVisibleSeqno = 8339274, onDiskPrepares = 0, onDiskPrepareBytes = 0, checkpointType = Disk, transition = {failovers = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, 
                _M_p = 0x7f08e0434000 "[{\"id\":174503226390424,\"seq\":8339258},{\"id\":179079072769944,\"seq\":8291210},{\"id\":128264600868086,\"seq\":8291210},{\"id\":49390895422259,\"seq\":8291206},{\"id\":213403021404787,\"seq\":8291206},{\"id\":925859992"...}, _M_string_length = 919, {_M_local_buf = "\227\003\000\000\000\000\000\000\272Z\213\000\000\000\000", _M_allocated_capacity = 919}}, 
            replicationTopology = {m_type = nlohmann::detail::null, m_value = {object = 0x0, array = 0x0, string = 0x0, binary = 0x0, boolean = false, number_integer = 0, number_unsigned = 0, number_float = 0}}, state = vbucket_state_replica}}
        maxSeqno = <optimized out>
        maxVbStateOpCas = <optimized out>
        minSeqno = <optimized out>
        flushBatchSize = <optimized out>
        mustPersistVBState = <optimized out>
        hcs = <optimized out>
        hps = <optimized out>
        maxVisibleSeqno = {<ThrowExceptionPolicy<unsigned long>> = {label = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a8cfe6e50 "unlabelled"}, _M_string_length = 10, {_M_local_buf = "unlabelled\000\214\n\177\000", _M_allocated_capacity = 7812730926796664437}}}, val = 8339274}
        aggStats = {numItems = 1558, totalBytes = 1337404, totalAgeInMilliseconds = 23561952302830}
        highSeqno = <optimized out>
#18 0x0000000000824daf in EPBucket::flushVBucket(Vbid) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/ep_bucket.cc:376
        vb = {vb = {<std::__shared_ptr<VBucket, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<VBucket, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, lock = {_M_device = 0x0, _M_owns = false}}
#19 0x00000000006d7920 in Flusher::flushVB (this=0x7f086197d400) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/flusher.cc:285
        vbid = {vbid = 4}
#20 0x00000000006d8270 in Flusher::step(GlobalTask*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/flusher.cc:200
        more = <optimized out>
        currentState = Flusher::Running
#21 0x0000000000a9eeb2 in GlobalTask::execute() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/globaltask.cc:68
        guard = {previous = 0x0}
#22 0x0000000000a9c0c5 in FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}::operator()() const (__closure=0x7f0a8cfe7840) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:189
        scheduleOverhead = <optimized out>
        start = {__d = {__r = 15123204477121896}}
        runAgain = false
        proxy = @0x7f08eaa6e610: {<folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >::Callback> = {<boost::intrusive::list_base_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)2> >> = {<boost::intrusive::generic_hook<(boost::intrusive::algo_types)0, boost::intrusive::list_node_traits<void*>, boost::intrusive::dft_tag, (boost::intrusive::link_mode_type)2, (boost::intrusive::base_hook_type)1>> = {<boost::intrusive::node_holder<boost::intrusive::list_node<void*>, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::list_node<void*>> = {next_ = 0x0, 
                    prev_ = 0x0}, <No data fields>}, <boost::intrusive::hook_tags_definer<boost::intrusive::generic_hook<(boost::intrusive::algo_types)0, boost::intrusive::list_node_traits<void*>, boost::intrusive::dft_tag, (boost::intrusive::link_mode_type)2, (boost::intrusive::base_hook_type)1>, 1>> = {<No data fields>}, <No data fields>}, <No data fields>}, 
            _vptr.Callback = 0xca2b48 <vtable for FollyExecutorPool::TaskProxy+16>, wheel_ = 0x0, expiration_ = {__d = {__r = 0}}, bucket_ = -1, requestContext_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, 
          task = {<std::__shared_ptr<GlobalTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<GlobalTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0863fbb6d0, _M_refcount = {_M_pi = 0x7f0863fbb6c0}}, <No data fields>}, taskId = 1959, scheduledOnCpuPool = true, executor = @0x7f0d13dfea00, cpuPool = @0x7f0d134fa400}
#23 0x0000000000bf0c60 in operator() (this=0x7f0a8cfe7840) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
        fn = @0x7f0a8cfe7840: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08eaa6e610, tiny = {__data = "\020\346\246\352\b\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\030\214\000\000\000\000\000\000h\004\000\000\000\000\000\000\020y\376\214\n\177\000", __align = {<No data fields>}}}, 
          call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}
#24 folly::ThreadPoolExecutor::runTask(std::shared_ptr<folly::ThreadPoolExecutor::Thread> const&, folly::ThreadPoolExecutor::Task&&) (this=this@entry=0x7f0d134fa400, thread=..., task=task@entry=<unknown type in /usr/lib/debug/opt/couchbase/bin/memcached-7.1.0-1817.x86_64.debug, CU 0xa120c30, DIE 0xa1a4b65>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/ThreadPoolExecutor.cpp:97
        rctx = {prev_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}
        startTime = {__d = {__r = 15123204477119640}}
        stats = {expired = false, waitTime = {__r = 17932}, runTime = {__r = 0}, enqueueTime = {__d = {__r = 15123204477101708}}, requestId = 0}
#25 0x0000000000bd8a1a in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:265
        task = {storage_ = {{emptyState = 16 '\020', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08eaa6e610, tiny = {__data = "\020\346\246\352\b\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\030\214\000\000\000\000\000\000h\004\000\000\000\000\000\000\020y\376\214\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123204477101708}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c18, tiny = {__data = "\030\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\252~m\v\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 0}}, hasValue = true}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#26 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#27 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#28 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#29 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#30 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#31 0x0000000000a9bd54 in operator() (this=0x7f0d135b28c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b28c0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b190e0, tiny = {__data = "\340\220\261\366\f\177", '\000' <repeats 18 times>, "\200([\023\r\177\000\000@,[\023\r\177\000\000 )[\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#32 operator() (__closure=0x7f0d135b28c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a8cfe79a0 "WriterPool65"}, _M_string_length = 12, {_M_local_buf = "WriterPool65\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b190e0, tiny = {__data = "\340\220\261\366\f\177", '\000' <repeats 18 times>, "\200([\023\r\177\000\000@,[\023\r\177\000\000 )[\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#33 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b28c0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b190e0, tiny = {__data = "\340\220\261\366\f\177", '\000' <repeats 18 times>, "\200([\023\r\177\000\000@,[\023\r\177\000\000 )[\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#34 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#35 0x00007f0d18faeea5 in start_thread (arg=0x7f0a8cff9700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0a8cff9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139683291961088, -4771262700614340274, 0, 8392704, 0, 139683291961088, 4889792257597616462, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#36 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 65 (Thread 0x7f0a6ffff700 (LWP 35865)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1878971928, absSteadyTime=absSteadyTime@entry=0x7f0a6ffed5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11cd2f0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608500443}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11cd2f0, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0a6ffed618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11cd2f0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11cd2f0, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608500443}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11cd2f0, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11cd2f0}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 96 '`', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f99e60, tiny = {__data = "`\236\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\031\214\000\000\000\000\000\000p\004\000\000\000\000\000\000\020\331\376o\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518996602894}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c19, tiny = {__data = "\031\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\331\376o\n\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2900) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2900: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19110, tiny = {__data = "\020\221\261\366\f\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\320([\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2900) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a6ffed9a0 "WriterPool66"}, _M_string_length = 12, {_M_local_buf = "WriterPool66\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19110, tiny = {__data = "\020\221\261\366\f\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\320([\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2900: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19110, tiny = {__data = "\020\221\261\366\f\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000\320([\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0a6ffff700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0a6ffff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139682805446400, -4771262700614340274, 0, 8392704, 0, 139682805446400, 4890291441245335886, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 64 (Thread 0x7f0a6f7fe700 (LWP 35866)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1870579224, absSteadyTime=absSteadyTime@entry=0x7f0a6f7ec5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11ccc78) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608505039}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11ccc78, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0a6f7ec618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11ccc78) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11ccc78, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608505039}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11ccc78, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11ccc78}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -112 '\220', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f99990, tiny = {__data = "\220\231\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\032\214\000\000\000\000\000\000x\004\000\000\000\000\000\000\020\311~o\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518927388771}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c1a, tiny = {__data = "\032\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\311~o\n\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2940) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2940: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19140, tiny = {__data = "@\221\261\366\f\177\000\000\017\000\000\000\000\000\000\000optional_fields", '\000' <repeats 16 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2940) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a6f7ec9a0 "WriterPool67"}, _M_string_length = 12, {_M_local_buf = "WriterPool67\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19140, tiny = {__data = "@\221\261\366\f\177\000\000\017\000\000\000\000\000\000\000optional_fields", '\000' <repeats 16 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2940: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19140, tiny = {__data = "@\221\261\366\f\177\000\000\017\000\000\000\000\000\000\000optional_fields", '\000' <repeats 16 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0a6f7fe700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0a6f7fe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139682797053696, -4771262700614340274, 0, 8392704, 0, 139682797053696, 4890292540220092750, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 63 (Thread 0x7f0a6effd700 (LWP 35867)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1862186520, absSteadyTime=absSteadyTime@entry=0x7f0a6efeb5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c9eb8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608511202}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c9eb8, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0a6efeb618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c9eb8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c9eb8, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608511202}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c9eb8, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c9eb8}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 0 '\000', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f9a100, tiny = {__data = "\000\241\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\033\214\000\000\000\000\000\000\200\004\000\000\000\000\000\000\020\271\376n\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518927060938}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c1b, tiny = {__data = "\033\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\312~\256\n\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694185667968}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2980) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2980: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19170, tiny = {__data = "p\221\261\366\f\177\000\000`*[\023\r\177\000\000\240)[\023\r\177\000\000\006\000\000\000\000\000\000\000errors\000\000\000\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2980) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a6efeb9a0 "WriterPool68"}, _M_string_length = 12, {_M_local_buf = "WriterPool68\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19170, tiny = {__data = "p\221\261\366\f\177\000\000`*[\023\r\177\000\000\240)[\023\r\177\000\000\006\000\000\000\000\000\000\000errors\000\000\000\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2980: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19170, tiny = {__data = "p\221\261\366\f\177\000\000`*[\023\r\177\000\000\240)[\023\r\177\000\000\006\000\000\000\000\000\000\000errors\000\000\000\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0a6effd700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0a6effd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139682788660992, -4771262700614340274, 0, 8392704, 0, 139682788660992, 4890289239000854862, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 62 (Thread 0x7f0a6e7fc700 (LWP 35868)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1853793816, absSteadyTime=absSteadyTime@entry=0x7f0a6e7ea5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11c65e8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608515884}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11c65e8, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0a6e7ea618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11c65e8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11c65e8, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608515884}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11c65e8, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11c65e8}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 80 'P', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08eaa6eb50, tiny = {__data = "P\353\246\352\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\034\214\000\000\000\000\000\000\210\004\000\000\000\000\000\000\020\251~n\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518968048586}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c1c, tiny = {__data = "\034\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\332\376n\n\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b29c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b29c0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b191a0, tiny = {__data = "\240\221\261\366\f\177\000\000\070\277Z\023\r\177\000\000\000\000\000\000\000\000\000\000\020*[\023\r\177\000\000\360)[\023\r\177\000\000\004\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b29c0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a6e7ea9a0 "WriterPool69"}, _M_string_length = 12, {_M_local_buf = "WriterPool69\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b191a0, tiny = {__data = "\240\221\261\366\f\177\000\000\070\277Z\023\r\177\000\000\000\000\000\000\000\000\000\000\020*[\023\r\177\000\000\360)[\023\r\177\000\000\004\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b29c0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b191a0, tiny = {__data = "\240\221\261\366\f\177\000\000\070\277Z\023\r\177\000\000\000\000\000\000\000\000\000\000\020*[\023\r\177\000\000\360)[\023\r\177\000\000\004\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0a6e7fc700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0a6e7fc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139682780268288, -4771262700614340274, 0, 8392704, 0, 139682780268288, 4890290337975611726, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 61 (Thread 0x7f0a6dffb700 (LWP 35869)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1845401112, absSteadyTime=absSteadyTime@entry=0x7f0a6dfe95f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11caae8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608522073}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11caae8, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0a6dfe9618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11caae8) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11caae8, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608522073}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11caae8, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11caae8}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = -80 '\260', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f983b0, tiny = {__data = "\260\203\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\035\214\000\000\000\000\000\000\220\004\000\000\000\000\000\000\020\231\376m\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518964893458}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c1d, tiny = {__data = "\035\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\312~N\v\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2a00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2a00: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b191d0, tiny = {__data = "Б\261\366\f\177", '\000' <repeats 18 times>, "\300)[\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2a00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a6dfe99a0 "WriterPool70"}, _M_string_length = 12, {_M_local_buf = "WriterPool70\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b191d0, tiny = {__data = "Б\261\366\f\177", '\000' <repeats 18 times>, "\300)[\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2a00: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b191d0, tiny = {__data = "Б\261\366\f\177", '\000' <repeats 18 times>, "\300)[\023\r\177", '\000' <repeats 17 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0a6dffb700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0a6dffb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139682771875584, -4771262700614340274, 0, 8392704, 0, 139682771875584, 4890287041051341134, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 60 (Thread 0x7f0a6d7fa700 (LWP 35870)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1837008408, absSteadyTime=absSteadyTime@entry=0x7f0a6d7e85f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11b7c60) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608525373}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11b7c60, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0a6d7e8618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11b7c60) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11b7c60, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608525373}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11b7c60, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b04640, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11b7c60}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b04640) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b04600, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0d134fa400, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 0 '\000', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f08c1f9a100, tiny = {__data = "\000\241\371\301\b\177\000\000з^\031\r\177\000\000\060\000\000\000\000\000\000\000\036\214\000\000\000\000\000\000\230\004\000\000\000\000\000\000\020\211~m\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123518996832745}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c1e, tiny = {__data = "\036\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\272\376M\v\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184613328}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2a40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2a40: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19200, tiny = {__data = "\000\222\261\366\f\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000p)[\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2a40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a6d7e89a0 "WriterPool71"}, _M_string_length = 12, {_M_local_buf = "WriterPool71\000\000\000", _M_allocated_capacity = 8021036716417184343}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19200, tiny = {__data = "\000\222\261\366\f\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000p)[\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2a40: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19200, tiny = {__data = "\000\222\261\366\f\177", '\000' <repeats 26 times>, "\001\000\000\000\000\000\000\000p)[\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0a6d7fa700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0a6d7fa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139682763482880, -4771262700614340274, 0, 8392704, 0, 139682763482880, 4890288140026097998, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 59 (Thread 0x7f0a6cff9700 (LWP 35871)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
No locals.
#1  0x00007f0d18fb0e9b in _L_lock_883 () from /lib64/libpthread.so.0
No symbol table info available.
#2  0x00007f0d18fb0d68 in __GI___pthread_mutex_lock (mutex=0x7f08efdf8ef0) at ../nptl/pthread_mutex_lock.c:78
        type = 0
        id = <optimized out>
#3  0x0000000000976913 in __gthread_mutex_lock (__mutex=0x7f08efdf8ef0) at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:749
No locals.
#4  lock (this=0x7f08efdf8ef0) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_mutex.h:100
        __e = <optimized out>
#5  lock (this=0x7f0a6cfe6e50) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/unique_lock.h:138
No locals.
#6  unique_lock (__m=..., this=0x7f0a6cfe6e50) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/unique_lock.h:68
No locals.
#7  magma::WAL::Sync() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/wal/wal.cc:482
        lock = {_M_device = 0x7f08efdf8ef0, _M_owns = false}
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x7f0a6cfe6f60}, <No data fields>}, <No data fields>}}, <No data fields>}}}
#8  0x000000000092c3a9 in syncWAL (wal=0x7f08efdf8c00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/db.cc:38
        offset = {SegID = 0, SegOffset = 0}
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
#9  magma::Magma::Impl::syncKVStore(unsigned short, bool) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/db.cc:1138
        status = <optimized out>
        flushOffset = <optimized out>
        kvstore = <optimized out>
        snapshot = {<std::__shared_ptr<magma::KVStoreSnapshot, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::KVStoreSnapshot, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f067b7a7a60, _M_refcount = {_M_pi = 0x24c3f761bb679637}}, <No data fields>}
        flushMode = <optimized out>
#10 0x000000000092c7fa in SyncKVStore (kvID=<optimized out>, this=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/db.cc:309
No locals.
#11 magma::Magma::SyncKVStore(unsigned short) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/db.cc:313
No locals.
#12 0x0000000000890d6d in MagmaMemoryTrackingProxy::SyncKVStore(unsigned short) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kvstore/magma-kvstore/magma-memory-tracking-proxy.cc:330
        domainGuard = {previous = cb::Primary}
#13 0x00000000008707d8 in MagmaKVStore::makeFileHandle(Vbid) const () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/include/memcached/vbucket.h:62
        snapshot = {_M_t = {<std::__uniq_ptr_impl<magma::Magma::Snapshot, DomainAwareDelete<magma::Magma::Snapshot> >> = {
              _M_t = {<std::_Tuple_impl<0, magma::Magma::Snapshot*, DomainAwareDelete<magma::Magma::Snapshot> >> = {<std::_Tuple_impl<1, DomainAwareDelete<magma::Magma::Snapshot> >> = {<std::_Head_base<1, DomainAwareDelete<magma::Magma::Snapshot>, true>> = {<DomainAwareDelete<magma::Magma::Snapshot>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Magma::Snapshot*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x5bb336 <cb_sized_free(void*, size_t)+38>}, <No data fields>}, <No data fields>}}, <No data fields>}}}
#14 0x000000000087c03e in MagmaKVStore::initBySeqnoScanContext(std::unique_ptr<StatusCallback<GetValue>, std::default_delete<StatusCallback<GetValue> > >, std::unique_ptr<StatusCallback<CacheLookup>, std::default_delete<StatusCallback<CacheLookup> > >, Vbid, unsigned long, DocumentFilter, ValueFilter, SnapshotSource, std::unique_ptr<KVFileHandle, std::default_delete<KVFileHandle> >) const ()
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kvstore/magma-kvstore/magma-kvstore.cc:1512
        handle = {_M_t = {<std::__uniq_ptr_impl<KVFileHandle, std::default_delete<KVFileHandle> >> = {
              _M_t = {<std::_Tuple_impl<0, KVFileHandle*, std::default_delete<KVFileHandle> >> = {<std::_Tuple_impl<1, std::default_delete<KVFileHandle> >> = {<std::_Head_base<1, std::default_delete<KVFileHandle>, true>> = {<std::default_delete<KVFileHandle>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, KVFileHandle*, false>> = {
                    _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}
        snapshot = <optimized out>
        itr = {_M_t = {<std::__uniq_ptr_impl<magma::Magma::SeqIterator, DomainAwareDelete<magma::Magma::SeqIterator> >> = {
              _M_t = {<std::_Tuple_impl<0, magma::Magma::SeqIterator*, DomainAwareDelete<magma::Magma::SeqIterator> >> = {<std::_Tuple_impl<1, DomainAwareDelete<magma::Magma::SeqIterator> >> = {<std::_Head_base<1, DomainAwareDelete<magma::Magma::SeqIterator>, true>> = {<DomainAwareDelete<magma::Magma::SeqIterator>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Magma::SeqIterator*, false>> = {_M_head_impl = 0x93}, <No data fields>}, <No data fields>}}, <No data fields>}}
        readState = {status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                  _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {_M_head_impl = 0x7ecc1c <DcpProducer::BufferLog::acknowledge(unsigned long)+108>}, <No data fields>}, <No data fields>}}, <No data fields>}}}, vbstate = {static CurrentVersion = 4, maxDeletedSeqno = {counter = {_M_elems = "\034\314~\000\000"}}, highSeqno = 8309788, purgeSeqno = 139674019059728, lastSnapStart = 0, lastSnapEnd = 139694218840577, maxCas = 139674019059832, hlcCasEpochSeqno = 1, 
            mightContainXattrs = false, supportsNamespaces = 144, version = 32520, persistedCompletedSeqno = 139694218841826, persistedPreparedSeqno = 0, highPreparedSeqno = 139693811302652, maxVisibleSeqno = 139680926400514, onDiskPrepares = 0, onDiskPrepareBytes = 0, checkpointType = (unknown: 80), transition = {failovers = {static npos = 18446744073709551615, 
                _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f08ec3c0030 ""}, _M_string_length = 0, {_M_local_buf = "\000\000\000\000\000\000\000\000\304\336\271\000\000\000\000", _M_allocated_capacity = 0}}, replicationTopology = {m_type = 56, m_value = {object = 0x7f08f3a44150, array = 0x7f08f3a44150, string = 0x7f08f3a44150, 
                  binary = 0x7f08f3a44150, boolean = 80, number_integer = 139676424094032, number_unsigned = 139676424094032, number_float = 6.900932267881377e-310}}, state = 32}}, kvstoreRev = 139676424094032}
        highSeqno = <optimized out>
        purgeSeqno = <optimized out>
        nDocsToRead = <optimized out>
        getDroppedStatus = <optimized out>
        dropped = <optimized out>
#15 0x00000000008cc3f1 in DCPBackfillBySeqnoDisk::create() () at /opt/gcc-10.2.0/include/c++/10.2.0/ext/atomicity.h:70
        stream = {<std::__shared_ptr<ActiveStream, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<ActiveStream, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = <optimized out>, _M_refcount = {_M_pi = 0x7f08644a6280}}, <No data fields>}
        vbid = {vbid = 148}
        lastPersistedSeqno = <optimized out>
        kvstore = <optimized out>
        valFilter = VALUES_COMPRESSED
        scanCtx = {_M_t = {<std::__uniq_ptr_impl<BySeqnoScanContext, std::default_delete<BySeqnoScanContext> >> = {
              _M_t = {<std::_Tuple_impl<0, BySeqnoScanContext*, std::default_delete<BySeqnoScanContext> >> = {<std::_Tuple_impl<1, std::default_delete<BySeqnoScanContext> >> = {<std::_Head_base<1, std::default_delete<BySeqnoScanContext>, true>> = {<std::default_delete<BySeqnoScanContext>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, BySeqnoScanContext*, false>> = {
                    _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}
        collHighSuccess = <optimized out>
        collHigh = <optimized out>
        allowNonRollBackCollectionStream = <optimized out>
#16 0x00000000008cf4a3 in DCPBackfillDisk::run() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/dcp/backfill_disk.cc:131
        lh = {_M_device = @0x7ef2d77f3388}
#17 0x00000000008d0e01 in BackfillManager::backfill() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/dcp/backfill-manager.cc:333
        lh = {_M_device = <optimized out>, _M_owns = false}
        backfill = {_M_t = {<std::__uniq_ptr_impl<DCPBackfillIface, std::default_delete<DCPBackfillIface> >> = {
              _M_t = {<std::_Tuple_impl<0, DCPBackfillIface*, std::default_delete<DCPBackfillIface> >> = {<std::_Tuple_impl<1, std::default_delete<DCPBackfillIface> >> = {<std::_Head_base<1, std::default_delete<DCPBackfillIface>, true>> = {<std::default_delete<DCPBackfillIface>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, DCPBackfillIface*, false>> = {
                    _M_head_impl = 0x7ef2d77f33e0}, <No data fields>}, <No data fields>}}, <No data fields>}}
        source = BackfillManager::Initializing
        status = <optimized out>
#18 0x00000000008d15a4 in BackfillManagerTask::run() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/dcp/backfill-manager.cc:71
        phosphor_internal_category_enabled_60 = {_M_b = {_M_p = 0x7f0d195eb69e <phosphor::TraceLog::getInstance()::log_instance+8286>}, static is_always_lock_free = <optimized out>}
        phosphor_internal_category_enabled_temp_60 = <optimized out>
        phosphor_internal_tpi_60 = {category = 0xc5dbac "ep-engine/task", name = 0xc89fe9 "BackFillManagerTask", type = phosphor::Complete, argument_names = {_M_elems = {0xca8762 "", 0xca8762 ""}}, argument_types = {_M_elems = {phosphor::is_none, phosphor::is_none}}}
        phosphor_internal_guard_60 = {tpi = 0x105be40 <BackfillManagerTask::run()::phosphor_internal_tpi_60>, enabled = true, arg1 = {<No data fields>}, arg2 = {<No data fields>}, start = {__d = {__r = 15123206047742402}}}
        manager = {<std::__shared_ptr<BackfillManager, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<BackfillManager, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = <optimized out>, _M_refcount = {_M_pi = 0x7f08c81000c0}}, <No data fields>}
        status = <optimized out>
#19 0x0000000000a9eeb2 in GlobalTask::execute() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/globaltask.cc:68
        guard = {previous = 0x0}
#20 0x0000000000a9c0c5 in FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}::operator()() const (__closure=0x7f0a6cfe7840) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:189
        scheduleOverhead = <optimized out>
        start = {__d = {__r = 15123206047742028}}
        runAgain = false
        proxy = @0x7f0cf6c857d0: {<folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >::Callback> = {<boost::intrusive::list_base_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)2> >> = {<boost::intrusive::generic_hook<(boost::intrusive::algo_types)0, boost::intrusive::list_node_traits<void*>, boost::intrusive::dft_tag, (boost::intrusive::link_mode_type)2, (boost::intrusive::base_hook_type)1>> = {<boost::intrusive::node_holder<boost::intrusive::list_node<void*>, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::list_node<void*>> = {next_ = 0x0, 
                    prev_ = 0x0}, <No data fields>}, <boost::intrusive::hook_tags_definer<boost::intrusive::generic_hook<(boost::intrusive::algo_types)0, boost::intrusive::list_node_traits<void*>, boost::intrusive::dft_tag, (boost::intrusive::link_mode_type)2, (boost::intrusive::base_hook_type)1>, 1>> = {<No data fields>}, <No data fields>}, <No data fields>}, 
            _vptr.Callback = 0xca2b48 <vtable for FollyExecutorPool::TaskProxy+16>, wheel_ = 0x0, expiration_ = {__d = {__r = 0}}, bucket_ = -1, requestContext_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, 
          task = {<std::__shared_ptr<GlobalTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<GlobalTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f073d68e310, _M_refcount = {_M_pi = 0x7f073d68e300}}, <No data fields>}, taskId = 4519, scheduledOnCpuPool = true, executor = @0x7f0d13dfea00, cpuPool = @0x7f0cf6936000}
#21 0x0000000000bf0c60 in operator() (this=0x7f0a6cfe7840) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
        fn = @0x7f0a6cfe7840: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6c857d0, tiny = {__data = "\320W\310\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\037\214\000\000\000\000\000\000\240\004\000\000\000\000\000\000\020y\376l\n\177\000", __align = {<No data fields>}}}, 
          call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}
#22 folly::ThreadPoolExecutor::runTask(std::shared_ptr<folly::ThreadPoolExecutor::Thread> const&, folly::ThreadPoolExecutor::Task&&) (this=this@entry=0x7f0cf6936000, thread=..., task=task@entry=<unknown type in /usr/lib/debug/opt/couchbase/bin/memcached-7.1.0-1817.x86_64.debug, CU 0xa120c30, DIE 0xa1a4b65>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/ThreadPoolExecutor.cpp:97
        rctx = {prev_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}
        startTime = {__d = {__r = 15123206047740620}}
        stats = {expired = false, waitTime = {__r = 10314}, runTime = {__r = 0}, enqueueTime = {__d = {__r = 15123206047730306}}, requestId = 0}
#23 0x0000000000bd8a1a in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0cf6936000, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:265
        task = {storage_ = {{emptyState = -48 '\320', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6c857d0, tiny = {__data = "\320W\310\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000\037\214\000\000\000\000\000\000\240\004\000\000\000\000\000\000\020y\376l\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123206047730306}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c1f, tiny = {__data = "\037\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\252~M\v\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 0}}, hasValue = true}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#24 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#25 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#26 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#27 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#28 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#29 0x0000000000a9bd54 in operator() (this=0x7f0d135b2b40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2b40: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19260, tiny = {__data = "`\222\261\366\f\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#30 operator() (__closure=0x7f0d135b2b40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a6cfe79a0 "AuxIoPool0"}, _M_string_length = 10, {_M_local_buf = "AuxIoPool0\000\000\000\000\000", _M_allocated_capacity = 8029725099529106753}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19260, tiny = {__data = "`\222\261\366\f\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#31 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2b40: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19260, tiny = {__data = "`\222\261\366\f\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#32 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#33 0x00007f0d18faeea5 in start_thread (arg=0x7f0a6cff9700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0a6cff9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139682755090176, -4771262700614340274, 0, 8392704, 0, 139682755090176, 4890284838806860110, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#34 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 58 (Thread 0x7f0a4ffff700 (LWP 35872)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1342101016, absSteadyTime=absSteadyTime@entry=0x7f0a4ffed5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11befe0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608534954}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11befe0, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0a4ffed618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11befe0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11befe0, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608534954}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11befe0, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b10140, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11befe0}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b10140) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b10100, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0cf6936000, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 0 '\000', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 16 times>, "\260S,\022\n\177\000\000 \214\000\000\000\000\000\000\250\004\000\000\000\000\000\000\020\331\376O\n\177\000", __align = {<No data fields>}}}, 
                    call_ = 0xa9cfe0 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::resetTaskPtrViaCpuPool(std::atomic<int>&)::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9bbd0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::resetTaskPtrViaCpuPool(std::atomic<int>&)::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15154923005995132}}, expiration_ = {__r = 0}, 
                  expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x8c20, tiny = {__data = " \214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\272\336\363\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, 
                    call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, 
                poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184806784}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2b80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2b80: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19290, tiny = {__data = "\220\222\261\366\f\177\000\000alArgs", '\000' <repeats 18 times>, "\001\000\000\000\000\000\000\000p)[\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2b80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a4ffed9a0 "AuxIoPool1"}, _M_string_length = 10, {_M_local_buf = "AuxIoPool1\000\000\000\000\000", _M_allocated_capacity = 8029725099529106753}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19290, tiny = {__data = "\220\222\261\366\f\177\000\000alArgs", '\000' <repeats 18 times>, "\001\000\000\000\000\000\000\000p)[\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2b80: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19290, tiny = {__data = "\220\222\261\366\f\177\000\000alArgs", '\000' <repeats 18 times>, "\001\000\000\000\000\000\000\000p)[\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0a4ffff700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0a4ffff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139682268575488, -4771262700614340274, 0, 8392704, 0, 139682268575488, 4890221072501158222, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 57 (Thread 0x7f0a4f7fe700 (LWP 35873)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1333708312, absSteadyTime=absSteadyTime@entry=0x7f0a4f7ec5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11b7ab0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608542862}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11b7ab0, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0a4f7ec618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11b7ab0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11b7ab0, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608542862}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11b7ab0, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b10140, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11b7ab0}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b10140) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b10100, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0cf6936000, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 0 '\000', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 16 times>, "\260S,\022\n\177\000\000!\214\000\000\000\000\000\000\260\004\000\000\000\000\000\000\020\311~O\n\177\000", __align = {<No data fields>}}}, 
                    call_ = 0xa9cfe0 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::resetTaskPtrViaCpuPool(std::atomic<int>&)::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9bbd0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::resetTaskPtrViaCpuPool(std::atomic<int>&)::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15154923017994331}}, expiration_ = {__r = 0}, 
                  expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x8c21, tiny = {__data = "!\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\252^\363\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, 
                    call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, 
                poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184806784}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2bc0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2bc0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b192c0, tiny = {__data = "\300\222\261\366\f\177\000\000\017\000\000\000\000\000\000\000clientContextId", '\000' <repeats 16 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2bc0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a4f7ec9a0 "AuxIoPool2"}, _M_string_length = 10, {_M_local_buf = "AuxIoPool2\000\000\000\000\000", _M_allocated_capacity = 8029725099529106753}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b192c0, tiny = {__data = "\300\222\261\366\f\177\000\000\017\000\000\000\000\000\000\000clientContextId", '\000' <repeats 16 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2bc0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b192c0, tiny = {__data = "\300\222\261\366\f\177\000\000\017\000\000\000\000\000\000\000clientContextId", '\000' <repeats 16 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0a4f7fe700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0a4f7fe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139682260182784, -4771262700614340274, 0, 8392704, 0, 139682260182784, 4890222171475915086, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 56 (Thread 0x7f0a4effd700 (LWP 35874)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1325315608, absSteadyTime=absSteadyTime@entry=0x7f0a4efeb5f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11bdfc0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608546685}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11bdfc0, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0a4efeb618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11bdfc0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11bdfc0, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608546685}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11bdfc0, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b10140, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11bdfc0}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b10140) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b10100, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0cf6936000, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 0 '\000', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 16 times>, "\260S,\022\n\177\000\000\"\214\000\000\000\000\000\000\270\004\000\000\000\000\000\000\020\271\376N\n\177\000", __align = {<No data fields>}}}, 
                    call_ = 0xa9cfe0 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::resetTaskPtrViaCpuPool(std::atomic<int>&)::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9bbd0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::resetTaskPtrViaCpuPool(std::atomic<int>&)::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15154923007073549}}, expiration_ = {__r = 0}, 
                  expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x8c22, tiny = {__data = "\"\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000pj\032\341\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, 
                    call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, 
                poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184806784}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2c40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2c40: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b192f0, tiny = {__data = "\360\222\261\366\f\177\000\000\320([\023\r\177", '\000' <repeats 18 times>, "\240\245J\023\r\177\000\000\020\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2c40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a4efeb9a0 "AuxIoPool3"}, _M_string_length = 10, {_M_local_buf = "AuxIoPool3\000\000\000\000\000", _M_allocated_capacity = 8029725099529106753}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b192f0, tiny = {__data = "\360\222\261\366\f\177\000\000\320([\023\r\177", '\000' <repeats 18 times>, "\240\245J\023\r\177\000\000\020\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2c40: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b192f0, tiny = {__data = "\360\222\261\366\f\177\000\000\320([\023\r\177", '\000' <repeats 18 times>, "\240\245J\023\r\177\000\000\020\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0a4effd700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0a4effd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139682251790080, -4771262700614340274, 0, 8392704, 0, 139682251790080, 4890218870256677198, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 55 (Thread 0x7f0a4e7fc700 (LWP 35875)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
No locals.
#1  0x00007f0d18fb0e9b in _L_lock_883 () from /lib64/libpthread.so.0
No symbol table info available.
#2  0x00007f0d18fb0d68 in __GI___pthread_mutex_lock (mutex=0x7f08efdf8ef0) at ../nptl/pthread_mutex_lock.c:78
        type = 0
        id = <optimized out>
#3  0x0000000000976913 in __gthread_mutex_lock (__mutex=0x7f08efdf8ef0) at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:749
No locals.
#4  lock (this=0x7f08efdf8ef0) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_mutex.h:100
        __e = <optimized out>
#5  lock (this=0x7f0a4e7e9e50) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/unique_lock.h:138
No locals.
#6  unique_lock (__m=..., this=0x7f0a4e7e9e50) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/unique_lock.h:68
No locals.
#7  magma::WAL::Sync() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/wal/wal.cc:482
        lock = {_M_device = 0x7f08efdf8ef0, _M_owns = false}
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x7f0a4e7e9f60}, <No data fields>}, <No data fields>}}, <No data fields>}}}
#8  0x000000000092c3a9 in syncWAL (wal=0x7f08efdf8c00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/db.cc:38
        offset = {SegID = 0, SegOffset = 0}
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
#9  magma::Magma::Impl::syncKVStore(unsigned short, bool) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/db.cc:1138
        status = <optimized out>
        flushOffset = <optimized out>
        kvstore = <optimized out>
        snapshot = {<std::__shared_ptr<magma::KVStoreSnapshot, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::KVStoreSnapshot, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f07626fde70, _M_refcount = {_M_pi = 0x97e2f5f7ba0955b1}}, <No data fields>}
        flushMode = <optimized out>
#10 0x000000000092c7fa in SyncKVStore (kvID=<optimized out>, this=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/db.cc:309
No locals.
#11 magma::Magma::SyncKVStore(unsigned short) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/db.cc:313
No locals.
#12 0x0000000000890d6d in MagmaMemoryTrackingProxy::SyncKVStore(unsigned short) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kvstore/magma-kvstore/magma-memory-tracking-proxy.cc:330
        domainGuard = {previous = cb::Primary}
#13 0x00000000008707d8 in MagmaKVStore::makeFileHandle(Vbid) const () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/include/memcached/vbucket.h:62
        snapshot = {_M_t = {<std::__uniq_ptr_impl<magma::Magma::Snapshot, DomainAwareDelete<magma::Magma::Snapshot> >> = {
              _M_t = {<std::_Tuple_impl<0, magma::Magma::Snapshot*, DomainAwareDelete<magma::Magma::Snapshot> >> = {<std::_Tuple_impl<1, DomainAwareDelete<magma::Magma::Snapshot> >> = {<std::_Head_base<1, DomainAwareDelete<magma::Magma::Snapshot>, true>> = {<DomainAwareDelete<magma::Magma::Snapshot>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Magma::Snapshot*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x5bb336 <cb_sized_free(void*, size_t)+38>}, <No data fields>}, <No data fields>}}, <No data fields>}}}
#14 0x000000000087c03e in MagmaKVStore::initBySeqnoScanContext(std::unique_ptr<StatusCallback<GetValue>, std::default_delete<StatusCallback<GetValue> > >, std::unique_ptr<StatusCallback<CacheLookup>, std::default_delete<StatusCallback<CacheLookup> > >, Vbid, unsigned long, DocumentFilter, ValueFilter, SnapshotSource, std::unique_ptr<KVFileHandle, std::default_delete<KVFileHandle> >) const ()
    at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/kvstore/magma-kvstore/magma-kvstore.cc:1512
        handle = {_M_t = {<std::__uniq_ptr_impl<KVFileHandle, std::default_delete<KVFileHandle> >> = {
              _M_t = {<std::_Tuple_impl<0, KVFileHandle*, std::default_delete<KVFileHandle> >> = {<std::_Tuple_impl<1, std::default_delete<KVFileHandle> >> = {<std::_Head_base<1, std::default_delete<KVFileHandle>, true>> = {<std::default_delete<KVFileHandle>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, KVFileHandle*, false>> = {
                    _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}
        snapshot = <optimized out>
        itr = {_M_t = {<std::__uniq_ptr_impl<magma::Magma::SeqIterator, DomainAwareDelete<magma::Magma::SeqIterator> >> = {
              _M_t = {<std::_Tuple_impl<0, magma::Magma::SeqIterator*, DomainAwareDelete<magma::Magma::SeqIterator> >> = {<std::_Tuple_impl<1, DomainAwareDelete<magma::Magma::SeqIterator> >> = {<std::_Head_base<1, DomainAwareDelete<magma::Magma::SeqIterator>, true>> = {<DomainAwareDelete<magma::Magma::SeqIterator>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Magma::SeqIterator*, false>> = {_M_head_impl = 0x243}, <No data fields>}, <No data fields>}}, <No data fields>}}
        readState = {status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                  _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {_M_head_impl = 0x7f241f <VBReadyQueue::pushUnique(Vbid)+319>}, <No data fields>}, <No data fields>}}, <No data fields>}}}, vbstate = {static CurrentVersion = 4, maxDeletedSeqno = {counter = {_M_elems = "\037$\177\000\000"}}, highSeqno = 8332319, purgeSeqno = 139674036416144, lastSnapStart = 0, lastSnapEnd = 139694218840577, maxCas = 139674036416248, hlcCasEpochSeqno = 1, mightContainXattrs = false, 
            supportsNamespaces = 154, version = 32520, persistedCompletedSeqno = 139694218841826, persistedPreparedSeqno = 0, highPreparedSeqno = 139693811302650, maxVisibleSeqno = 139680926400514, onDiskPrepares = 0, onDiskPrepareBytes = 0, checkpointType = (unknown: 80), transition = {failovers = {static npos = 18446744073709551615, 
                _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f08efdf0030 "\036"}, _M_string_length = 0, {_M_local_buf = "\000\000\000\000\000\000\000\000\304\336\271\000\000\000\000", _M_allocated_capacity = 0}}, replicationTopology = {m_type = 56, m_value = {object = 0x7f08dd00c3d0, array = 0x7f08dd00c3d0, string = 0x7f08dd00c3d0, 
                  binary = 0x7f08dd00c3d0, boolean = 208, number_integer = 139676044280784, number_unsigned = 139676044280784, number_float = 6.9009135026136098e-310}}, state = 32}}, kvstoreRev = 139676044280784}
        highSeqno = <optimized out>
        purgeSeqno = <optimized out>
        nDocsToRead = <optimized out>
        getDroppedStatus = <optimized out>
        dropped = <optimized out>
#15 0x00000000008cc3f1 in DCPBackfillBySeqnoDisk::create() () at /opt/gcc-10.2.0/include/c++/10.2.0/ext/atomicity.h:70
        stream = {<std::__shared_ptr<ActiveStream, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<ActiveStream, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = <optimized out>, _M_refcount = {_M_pi = 0x7f0865533580}}, <No data fields>}
        vbid = {vbid = 580}
        lastPersistedSeqno = <optimized out>
        kvstore = <optimized out>
        valFilter = VALUES_COMPRESSED
        scanCtx = {_M_t = {<std::__uniq_ptr_impl<BySeqnoScanContext, std::default_delete<BySeqnoScanContext> >> = {
              _M_t = {<std::_Tuple_impl<0, BySeqnoScanContext*, std::default_delete<BySeqnoScanContext> >> = {<std::_Tuple_impl<1, std::default_delete<BySeqnoScanContext> >> = {<std::_Head_base<1, std::default_delete<BySeqnoScanContext>, true>> = {<std::default_delete<BySeqnoScanContext>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, BySeqnoScanContext*, false>> = {
                    _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}
        collHighSuccess = <optimized out>
        collHigh = <optimized out>
        allowNonRollBackCollectionStream = <optimized out>
#16 0x00000000008cf4a3 in DCPBackfillDisk::run() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/dcp/backfill_disk.cc:131
        lh = {_M_device = @0x7ef344a86f08}
#17 0x00000000008d0e01 in BackfillManager::backfill() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/dcp/backfill-manager.cc:333
        lh = {_M_device = <optimized out>, _M_owns = false}
        backfill = {_M_t = {<std::__uniq_ptr_impl<DCPBackfillIface, std::default_delete<DCPBackfillIface> >> = {
              _M_t = {<std::_Tuple_impl<0, DCPBackfillIface*, std::default_delete<DCPBackfillIface> >> = {<std::_Tuple_impl<1, std::default_delete<DCPBackfillIface> >> = {<std::_Head_base<1, std::default_delete<DCPBackfillIface>, true>> = {<std::default_delete<DCPBackfillIface>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, DCPBackfillIface*, false>> = {
                    _M_head_impl = 0x7ef344a86f60}, <No data fields>}, <No data fields>}}, <No data fields>}}
        source = BackfillManager::Initializing
        status = <optimized out>
#18 0x00000000008d15a4 in BackfillManagerTask::run() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/engines/ep/src/dcp/backfill-manager.cc:71
        phosphor_internal_category_enabled_60 = {_M_b = {_M_p = 0x7f0d195eb69e <phosphor::TraceLog::getInstance()::log_instance+8286>}, static is_always_lock_free = <optimized out>}
        phosphor_internal_category_enabled_temp_60 = <optimized out>
        phosphor_internal_tpi_60 = {category = 0xc5dbac "ep-engine/task", name = 0xc89fe9 "BackFillManagerTask", type = phosphor::Complete, argument_names = {_M_elems = {0xca8762 "", 0xca8762 ""}}, argument_types = {_M_elems = {phosphor::is_none, phosphor::is_none}}}
        phosphor_internal_guard_60 = {tpi = 0x105be40 <BackfillManagerTask::run()::phosphor_internal_tpi_60>, enabled = true, arg1 = {<No data fields>}, arg2 = {<No data fields>}, start = {__d = {__r = 15123214920788917}}}
        manager = {<std::__shared_ptr<BackfillManager, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<BackfillManager, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = <optimized out>, _M_refcount = {_M_pi = 0x7f08ab2325c0}}, <No data fields>}
        status = <optimized out>
#19 0x0000000000a9eeb2 in GlobalTask::execute() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/globaltask.cc:68
        guard = {previous = 0x0}
#20 0x0000000000a9c0c5 in FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}::operator()() const (__closure=0x7f0a4e7ea840) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:189
        scheduleOverhead = <optimized out>
        start = {__d = {__r = 15123214920788608}}
        runAgain = false
        proxy = @0x7f0cf6c85c30: {<folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >::Callback> = {<boost::intrusive::list_base_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)2> >> = {<boost::intrusive::generic_hook<(boost::intrusive::algo_types)0, boost::intrusive::list_node_traits<void*>, boost::intrusive::dft_tag, (boost::intrusive::link_mode_type)2, (boost::intrusive::base_hook_type)1>> = {<boost::intrusive::node_holder<boost::intrusive::list_node<void*>, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::list_node<void*>> = {next_ = 0x0, 
                    prev_ = 0x0}, <No data fields>}, <boost::intrusive::hook_tags_definer<boost::intrusive::generic_hook<(boost::intrusive::algo_types)0, boost::intrusive::list_node_traits<void*>, boost::intrusive::dft_tag, (boost::intrusive::link_mode_type)2, (boost::intrusive::base_hook_type)1>, 1>> = {<No data fields>}, <No data fields>}, <No data fields>}, 
            _vptr.Callback = 0xca2b48 <vtable for FollyExecutorPool::TaskProxy+16>, wheel_ = 0x0, expiration_ = {__d = {__r = 0}}, bucket_ = -1, requestContext_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, 
          task = {<std::__shared_ptr<GlobalTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<GlobalTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f074ae2fd10, _M_refcount = {_M_pi = 0x7f074ae2fd00}}, <No data fields>}, taskId = 4530, scheduledOnCpuPool = true, executor = @0x7f0d13dfea00, cpuPool = @0x7f0cf6936000}
#21 0x0000000000bf0c60 in operator() (this=0x7f0a4e7ea840) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
        fn = @0x7f0a4e7ea840: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6c85c30, tiny = {__data = "0\\\310\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000#\214\000\000\000\000\000\000\300\004\000\000\000\000\000\000\020\251~N\n\177\000", __align = {<No data fields>}}}, 
          call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}
#22 folly::ThreadPoolExecutor::runTask(std::shared_ptr<folly::ThreadPoolExecutor::Thread> const&, folly::ThreadPoolExecutor::Task&&) (this=this@entry=0x7f0cf6936000, thread=..., task=task@entry=<unknown type in /usr/lib/debug/opt/couchbase/bin/memcached-7.1.0-1817.x86_64.debug, CU 0xa120c30, DIE 0xa1a4b65>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/ThreadPoolExecutor.cpp:97
        rctx = {prev_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}
        startTime = {__d = {__r = 15123214920787270}}
        stats = {expired = false, waitTime = {__r = 9537}, runTime = {__r = 0}, enqueueTime = {__d = {__r = 15123214920777733}}, requestId = 0}
#23 0x0000000000bd8a1a in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0cf6936000, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:265
        task = {storage_ = {{emptyState = 48 '0', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6c85c30, tiny = {__data = "0\\\310\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000#\214\000\000\000\000\000\000\300\004\000\000\000\000\000\000\020\251~N\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123214920777733}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c23, tiny = {__data = "#\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000pz\335\351\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 0}}, hasValue = true}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#24 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#25 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#26 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#27 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#28 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#29 0x0000000000a9bd54 in operator() (this=0x7f0d135b2c80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2c80: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19320, tiny = {__data = " \223\261\366\f\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\230\277Z\023\r\177\000\000\260/[\023\r\177\000\000\200-[\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#30 operator() (__closure=0x7f0d135b2c80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a4e7ea9a0 "AuxIoPool4"}, _M_string_length = 10, {_M_local_buf = "AuxIoPool4\000\000\000\000\000", _M_allocated_capacity = 8029725099529106753}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19320, tiny = {__data = " \223\261\366\f\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\230\277Z\023\r\177\000\000\260/[\023\r\177\000\000\200-[\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#31 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2c80: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19320, tiny = {__data = " \223\261\366\f\177\000\000\000\000\000\000\000\000\000\000\001\000\000\000\000\000\000\000\230\277Z\023\r\177\000\000\260/[\023\r\177\000\000\200-[\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#32 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#33 0x00007f0d18faeea5 in start_thread (arg=0x7f0a4e7fc700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0a4e7fc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139682243397376, -4771262700614340274, 0, 8392704, 0, 139682243397376, 4890219969231434062, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#34 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 54 (Thread 0x7f0a4dffb700 (LWP 35876)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1308530200, absSteadyTime=absSteadyTime@entry=0x7f0a4dfe95f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11bcee0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608557158}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11bcee0, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0a4dfe9618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11bcee0) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11bcee0, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608557158}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11bcee0, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b10140, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11bcee0}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b10140) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b10100, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0cf6936000, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 0 '\000', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 16 times>, "\260S,\022\n\177\000\000$\214\000\000\000\000\000\000\310\004\000\000\000\000\000\000\020\231\376M\n\177\000", __align = {<No data fields>}}}, 
                    call_ = 0xa9cfe0 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::resetTaskPtrViaCpuPool(std::atomic<int>&)::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9bbd0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::resetTaskPtrViaCpuPool(std::atomic<int>&)::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15154923008892701}}, expiration_ = {__r = 0}, 
                  expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x8c24, tiny = {__data = "$\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\312~.\v\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, 
                    call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, 
                poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184806784}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2c00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2c00: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19350, tiny = {__data = "P\223\261\366\f\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2c00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a4dfe99a0 "AuxIoPool5"}, _M_string_length = 10, {_M_local_buf = "AuxIoPool5\000\000\000\000\000", _M_allocated_capacity = 8029725099529106753}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19350, tiny = {__data = "P\223\261\366\f\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2c00: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19350, tiny = {__data = "P\223\261\366\f\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0a4dffb700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0a4dffb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139682235004672, -4771262700614340274, 0, 8392704, 0, 139682235004672, 4890216672307163470, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 53 (Thread 0x7f0a4d7fa700 (LWP 35877)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1300137496, absSteadyTime=absSteadyTime@entry=0x7f0a4d7e85f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11bd690) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608561167}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11bd690, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0a4d7e8618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11bd690) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11bd690, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608561167}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11bd690, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b10140, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11bd690}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b10140) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b10100, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0cf6936000, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 0 '\000', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 16 times>, "\260S,\022\n\177\000\000%\214\000\000\000\000\000\000\320\004\000\000\000\000\000\000\020\211~M\n\177\000", __align = {<No data fields>}}}, 
                    call_ = 0xa9cfe0 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::resetTaskPtrViaCpuPool(std::atomic<int>&)::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9bbd0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::resetTaskPtrViaCpuPool(std::atomic<int>&)::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15154923030209240}}, expiration_ = {__r = 0}, 
                  expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x8c25, tiny = {__data = "%\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\272\376-\v\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, 
                    call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, 
                poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184806784}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2cc0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2cc0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19380, tiny = {__data = "\200\223\261\366\f\177\000\000rid", '\000' <repeats 21 times>, "\001\000\000\000\000\000\000\000ȿZ\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2cc0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a4d7e89a0 "AuxIoPool6"}, _M_string_length = 10, {_M_local_buf = "AuxIoPool6\000\000\000\000\000", _M_allocated_capacity = 8029725099529106753}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19380, tiny = {__data = "\200\223\261\366\f\177\000\000rid", '\000' <repeats 21 times>, "\001\000\000\000\000\000\000\000ȿZ\023\r\177\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2cc0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19380, tiny = {__data = "\200\223\261\366\f\177\000\000rid", '\000' <repeats 21 times>, "\001\000\000\000\000\000\000\000ȿZ\023\r\177\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0a4d7fa700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0a4d7fa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139682226611968, -4771262700614340274, 0, 8392704, 0, 139682226611968, 4890217771281920334, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 52 (Thread 0x7f0a4cff9700 (LWP 35878)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=waitMask@entry=1291744792, absSteadyTime=absSteadyTime@entry=0x7f0a4cfe75f8, absSystemTime=absSystemTime@entry=0x0, expected=expected@entry=2, addr=addr@entry=0x7f0ce11cd050) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15182762, tv_nsec = 608569315}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=futex@entry=0x7f0ce11cd050, expected=expected@entry=2, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x7f0a4cfe7618, waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda80a in futexWaitImpl<std::atomic<unsigned int> const, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (waitMask=4294967295, deadline=..., expected=2, futex=0x7f0ce11cd050) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:85
No locals.
#4  folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0ce11cd050, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 15182762608569315}}
#5  0x0000000000be066d in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#6  folly::SaturatingSemaphore<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0ce11cd050, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:318
        before = <optimized out>
#7  0x0000000000be0cd6 in try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (opt=..., deadline=..., this=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/SaturatingSemaphore.h:179
No locals.
#8  folly::detail::LifoSemBase<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>::try_wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x1b10140, deadline=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:521
        node = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Tuple_impl<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic> >> = {<std::_Head_base<1, folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>, true>> = {<folly::detail::LifoSemNodeRecycler<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::detail::LifoSemNode<folly::SaturatingSemaphore<true, std::atomic>, std::atomic>*, false>> = {_M_head_impl = 0x7f0ce11cd050}, <No data fields>}, <No data fields>}}}
#9  0x0000000000be4430 in try_wait_for<long, std::ratio<1, 1000> > (timeout=<synthetic pointer>, this=0x1b10140) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/LifoSem.h:498
No locals.
#10 folly::UnboundedBlockingQueue<folly::CPUThreadPoolExecutor::CPUTask>::try_take_for (this=0x1b10100, time=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/task_queue/UnboundedBlockingQueue.h:41
No locals.
#11 0x0000000000bd89a7 in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0cf6936000, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:243
        task = {storage_ = {{emptyState = 0 '\000', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 16 times>, "\260S,\022\n\177\000\000&\214\000\000\000\000\000\000\330\004\000\000\000\000\000\000\020y\376L\n\177\000", __align = {<No data fields>}}}, 
                    call_ = 0xa9cfe0 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::resetTaskPtrViaCpuPool(std::atomic<int>&)::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9bbd0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::resetTaskPtrViaCpuPool(std::atomic<int>&)::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15154923029800442}}, expiration_ = {__r = 0}, 
                  expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x8c26, tiny = {__data = "&\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\252~-\v\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, 
                    call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, 
                poison = false, priority_ = 0 '\000', queueObserverPayload_ = 139694184806784}}, hasValue = false}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#12 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#13 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#14 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#15 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#16 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#17 0x0000000000a9bd54 in operator() (this=0x7f0d135b2d00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2d00: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b193b0, tiny = {__data = "\260\223\261\366\f\177\000\000\006\000\000\000\000\000\000\000domain", '\000' <repeats 25 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#18 operator() (__closure=0x7f0d135b2d00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a4cfe79a0 "AuxIoPool7"}, _M_string_length = 10, {_M_local_buf = "AuxIoPool7\000\000\000\000\000", _M_allocated_capacity = 8029725099529106753}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b193b0, tiny = {__data = "\260\223\261\366\f\177\000\000\006\000\000\000\000\000\000\000domain", '\000' <repeats 25 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#19 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2d00: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b193b0, tiny = {__data = "\260\223\261\366\f\177\000\000\006\000\000\000\000\000\000\000domain", '\000' <repeats 25 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#20 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#21 0x00007f0d18faeea5 in start_thread (arg=0x7f0a4cff9700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0a4cff9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139682218219264, -4771262700614340274, 0, 8392704, 0, 139682218219264, 4890214470062682446, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#22 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 51 (Thread 0x7f0a2ffff700 (LWP 35879)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=<optimized out>, absSteadyTime=absSteadyTime@entry=0x0, absSystemTime=absSystemTime@entry=0x0, expected=<optimized out>, addr=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15123227, tv_nsec = 572312744}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=<optimized out>, expected=<optimized out>, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x0, waitMask=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda819 in folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0a2ffed10c, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 9223372036854775807}}
#4  0x0000000000bf46cd in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#5  folly::Baton<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0a2ffed10c, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/Baton.h:308
        expected = <optimized out>
#6  0x0000000000bf947f in wait (opt=..., this=0x7f0a2ffed10c) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/Baton.h:178
        deadline = {__d = {__r = 9223372036854775807}}
#7  folly::EventBase::runInEventBaseThreadAndWait(folly::Function<void ()>) (this=this@entry=0x7f0d13635220, fn=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:673
        ready = {state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 2}, static is_always_lock_free = true}}
#8  0x00000000005ac003 in iterate_all_connections(std::function<void (Connection&)>) (callback=...) at /opt/gcc-10.2.0/include/c++/10.2.0/new:175
        thr = @0x7f0d13635210: {thread_id = 139693448398592, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f397b0}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13635260, prev_ = 0x7f0d13635260}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13635270, prev_ = 0x7f0d13635270}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13635288, prev_ = 0x7f0d13635288}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 213, 
                static tls_lastDeferredReaderSlot = 213, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693448398592}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f4af00}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f45d00}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 6.7021598375987918e-13, buffer_time_ = {__r = 46}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 6.7021598375987918e-13, buffer_time_ = {__r = 46}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 1206160, latestLoopCnt_ = 1206159, 
            startWork_ = {__d = {__r = 15123205054581811}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d136353d8 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13635418, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13635450, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 213, static tls_lastDeferredReaderSlot = 213, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f397c0}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 1, __count = 0, __owner = 35717, __nusers = 1, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = "\001\000\000\000\000\000\000\000\205\213\000\000\001", '\000' <repeats 26 times>, 
                __align = 1}}, <No data fields>}, index = 53, subdoc_op = {m_path = 0x7f0d1351ae00, m_jsn = 0x1ae9a00, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, 
              loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 1, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {
                  c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {_M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f4af40, _M_map_size = 8, _M_start = {
                            _M_cur = 0x7f0d12f4ce00, _M_first = 0x7f0d12f4ce00, _M_last = 0x7f0d12f4d000, _M_node = 0x7f0d12f4af58}, _M_finish = {_M_cur = 0x7f0d12f4ce00, _M_first = 0x7f0d12f4ce00, _M_last = 0x7f0d12f4d000, _M_node = 0x7f0d12f4af58}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, 
          scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, 
              static nxMoveCtor = <optimized out>, datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
        __for_range = @0x1071fd0: {<std::_Vector_base<FrontEndThread, std::allocator<FrontEndThread> >> = {_M_impl = {<std::allocator<FrontEndThread>> = {<__gnu_cxx::new_allocator<FrontEndThread>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread, std::allocator<FrontEndThread> >::_Vector_impl_data> = {_M_start = 0x7f0d1360e000, _M_finish = 0x7f0d1363c830, 
                _M_end_of_storage = 0x7f0d1363c830}, <No data fields>}}, <No data fields>}
#9  0x00000000006231fd in push_cluster_config (version=..., bucketIndex=1) at /opt/gcc-10.2.0/include/c++/10.2.0/new:175
        bucket = @0x10733f0: {mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, cond = {_M_cond = {__data = {__lock = 0, __futex = 0, __total_seq = 0, __wakeup_seq = 0, __woken_seq = 0, __mutex = 0x0, 
                __nwaiters = 0, __broadcast_seq = 0}, __size = '\000' <repeats 47 times>, __align = 0}}, clients = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 18}, static is_always_lock_free = true}, state = {static _S_min_alignment = 1, static _S_alignment = 1, _M_i = Bucket::Ready, static is_always_lock_free = <optimized out>}, 
          items_in_transit = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, type = Couchbase, name = "GleamBookUsers0", '\000' <repeats 85 times>, stats = {<std::_Vector_base<thread_stats, std::allocator<thread_stats> >> = {
              _M_impl = {<std::allocator<thread_stats>> = {<__gnu_cxx::new_allocator<thread_stats>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<thread_stats, std::allocator<thread_stats> >::_Vector_impl_data> = {_M_start = 0x7f0d12f91800, _M_finish = 0x7f0d12f95000, _M_end_of_storage = 0x7f0d12f95000}, <No data fields>}}, <No data fields>}, timings = {lock = {<std::__mutex_base> = {_M_mutex = {
                  __data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, interval_latency_lookups = {intervals = {<cb::RingBufferBase<cb::sampling::Interval, std::array<cb::sampling::Interval, 10> >> = {first = 2, array = {_M_elems = {{count = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, 
                        duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
                            static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, 
                      {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}}}}, <No data fields>}}, interval_latency_mutations = {intervals = {<cb::RingBufferBase<cb::sampling::Interval, std::array<cb::sampling::Interval, 10> >> = {first = 2, array = {_M_elems = {{count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968907}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415652529025}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15969012}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 11415679324950}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968762}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415606641243}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968829}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 11415627540727}, static is_always_lock_free = true}}}}}}, <No data fields>}}, timings = {_M_elems = {{_M_b = {_M_p = 0x7f0cf6c95720}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c93be0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a120cdf40}, static is_always_lock_free = <optimized out>}, {_M_b = {
                    _M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c95660}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 11 times>, {_M_b = {_M_p = 0x7f0cf6cd0b60}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 14 times>, 
                {_M_b = {_M_p = 0x7f08ea5e4160}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 29 times>, {_M_b = {_M_p = 0x7f08c0e0f340}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a12256400}, static is_always_lock_free = <optimized out>}, {
                  _M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 16 times>, {_M_b = {_M_p = 0x7f08ea5e4060}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08eaa73960}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a1193efa0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08eaa73980}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0d135e20a0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a12236920}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a11d7a1a0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a11d7a240}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08ea5e4660}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c92c40}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08ea5e4480}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c956e0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a122369a0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, 
                  static is_always_lock_free = <optimized out>} <repeats 39 times>, {_M_b = {_M_p = 0x7f0a12c69920}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 35 times>, {_M_b = {_M_p = 0x7f08eaa735e0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {
                    _M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08c0df8960}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f089b87ece0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a11685fc0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 67 times>, {_M_b = {_M_p = 0x7f08ea5e4520}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}}}, 
            histogram_mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, interval_counters = {
              coreArray = {<std::_Vector_base<std::array<cb::sampling::Interval, 256>, std::allocator<std::array<cb::sampling::Interval, 256> > >> = {
                  _M_impl = {<std::allocator<std::array<cb::sampling::Interval, 256> >> = {<__gnu_cxx::new_allocator<std::array<cb::sampling::Interval, 256> >> = {<No data fields>}, <No data fields>}, <std::_Vector_base<std::array<cb::sampling::Interval, 256>, std::allocator<std::array<cb::sampling::Interval, 256> > >::_Vector_impl_data> = {_M_start = 0x7f0d16267000, _M_finish = 0x7f0d162af000, 
                      _M_end_of_storage = 0x7f0d162af000}, <No data fields>}}, <No data fields>}}}, subjson_operation_times = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d16264240}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 213, static tls_lastDeferredReaderSlot = 213, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, jsonValidateTimes = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d16264300}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 213, static tls_lastDeferredReaderSlot = 213, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          snappyDecompressionTimes = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d162643c0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 213, static tls_lastDeferredReaderSlot = 213, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, responseCounters = {_M_elems = {{
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 18417665}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 6}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 291}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}} <repeats 126 times>, {
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 484132}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}} <repeats 81 times>}}, clusterConfiguration = {
            config = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<ClusterConfiguration::Configuration, std::default_delete<ClusterConfiguration::Configuration> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {
                _M_t = {<std::__uniq_ptr_impl<ClusterConfiguration::Configuration, std::default_delete<ClusterConfiguration::Configuration> >> = {
                    _M_t = {<std::_Tuple_impl<0, ClusterConfiguration::Configuration*, std::default_delete<ClusterConfiguration::Configuration> >> = {<std::_Tuple_impl<1, std::default_delete<ClusterConfiguration::Configuration> >> = {<std::_Head_base<1, std::default_delete<ClusterConfiguration::Configuration>, true>> = {<std::default_delete<ClusterConfiguration::Configuration>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, ClusterConfiguration::Configuration*, false>> = {_M_head_impl = 0x7f08c0e05490}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, 
                    __align = 0}}, <No data fields>}}}, max_document_size = 20971520, supportedFeatures = {
            _M_h = {<std::__detail::_Hashtable_base<cb::engine::Feature, cb::engine::Feature, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, true, true> >> = {<std::__detail::_Hash_code_base<cb::engine::Feature, cb::engine::Feature, std::__detail::_Identity, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<cb::engine::Feature>, true>> = {<std::hash<cb::engine::Feature>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<cb::engine::Feature>, true>> = {<std::equal_to<cb::engine::Feature>> = {<std::binary_function<cb::engine::Feature, cb::engine::Feature, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, true>> = {<std::__detail::_Insert_base<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<cb::engine::Feature, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<cb::engine::Feature, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<cb::engine::Feature, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<cb::engine::Feature, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, 
              _M_buckets = 0x7f0a116fa220, _M_bucket_count = 13, _M_before_begin = {_M_nxt = 0x7f0a120cdd00}, _M_element_count = 1, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 13}, _M_single_bucket = 0x0}}, engine = {_M_t = {<std::__uniq_ptr_impl<EngineIface, EngineDeletor>> = {
                _M_t = {<std::_Tuple_impl<0, EngineIface*, EngineDeletor>> = {<std::_Tuple_impl<1, EngineDeletor>> = {<std::_Head_base<1, EngineDeletor, false>> = {_M_head_impl = {force = false}}, <No data fields>}, <std::_Head_base<0, EngineIface*, false>> = {_M_head_impl = 0x7f0d10000000}, <No data fields>}, <No data fields>}}, <No data fields>}}, bucketDcp = 0x7f0d10000008}
        isAlive = <optimized out>
#10 operator() (__closure=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/protocol/mcbp/cluster_config_executor.cc:275
        version = <optimized out>
        bucketIndex = <optimized out>
#11 __invoke_impl<void, set_cluster_config_executor(Cookie&)::<lambda()>&> (__f=...) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/invoke.h:60
No locals.
#12 __invoke_r<void, set_cluster_config_executor(Cookie&)::<lambda()>&> (__fn=...) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/invoke.h:110
No locals.
#13 std::_Function_handler<void (), set_cluster_config_executor(Cookie&)::{lambda()#4}>::_M_invoke(std::_Any_data const&) () at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:291
No locals.
#14 0x0000000000625494 in operator() (this=0x7f0cf6c81048) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
No locals.
#15 OneShotTask::run (this=0x7f0cf6c80fd0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/one_shot_task.h:50
No locals.
#16 0x0000000000a9eeb2 in GlobalTask::execute() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/globaltask.cc:68
        guard = {previous = 0x0}
#17 0x0000000000a9c0c5 in FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}::operator()() const (__closure=0x7f0a2ffed840) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:189
        scheduleOverhead = <optimized out>
        start = {__d = {__r = 15123222038690467}}
        runAgain = false
        proxy = @0x7f0cf68527b0: {<folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >::Callback> = {<boost::intrusive::list_base_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)2> >> = {<boost::intrusive::generic_hook<(boost::intrusive::algo_types)0, boost::intrusive::list_node_traits<void*>, boost::intrusive::dft_tag, (boost::intrusive::link_mode_type)2, (boost::intrusive::base_hook_type)1>> = {<boost::intrusive::node_holder<boost::intrusive::list_node<void*>, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::list_node<void*>> = {next_ = 0x0, 
                    prev_ = 0x0}, <No data fields>}, <boost::intrusive::hook_tags_definer<boost::intrusive::generic_hook<(boost::intrusive::algo_types)0, boost::intrusive::list_node_traits<void*>, boost::intrusive::dft_tag, (boost::intrusive::link_mode_type)2, (boost::intrusive::base_hook_type)1>, 1>> = {<No data fields>}, <No data fields>}, <No data fields>}, 
            _vptr.Callback = 0xca2b48 <vtable for FollyExecutorPool::TaskProxy+16>, wheel_ = 0x0, expiration_ = {__d = {__r = 0}}, bucket_ = -1, requestContext_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, 
          task = {<std::__shared_ptr<GlobalTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<GlobalTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0cf6c80fd0, _M_refcount = {_M_pi = 0x7f0cf6c80fc0}}, <No data fields>}, taskId = 4541, scheduledOnCpuPool = true, executor = @0x7f0d13dfea00, cpuPool = @0x7f0cf6936c00}
#18 0x0000000000bf0c60 in operator() (this=0x7f0a2ffed840) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
        fn = @0x7f0a2ffed840: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf68527b0, tiny = {__data = "\260'\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000'\214\000\000\000\000\000\000\340\004\000\000\000\000\000\000\020\331\376/\n\177\000", __align = {<No data fields>}}}, 
          call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}
#19 folly::ThreadPoolExecutor::runTask(std::shared_ptr<folly::ThreadPoolExecutor::Thread> const&, folly::ThreadPoolExecutor::Task&&) (this=this@entry=0x7f0cf6936c00, thread=..., task=task@entry=<unknown type in /usr/lib/debug/opt/couchbase/bin/memcached-7.1.0-1817.x86_64.debug, CU 0xa120c30, DIE 0xa1a4b65>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/ThreadPoolExecutor.cpp:97
        rctx = {prev_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}
        startTime = {__d = {__r = 15123222038689810}}
        stats = {expired = false, waitTime = {__r = 7093}, runTime = {__r = 0}, enqueueTime = {__d = {__r = 15123222038682717}}, requestId = 0}
#20 0x0000000000bd8a1a in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0cf6936c00, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:265
        task = {storage_ = {{emptyState = -80 '\260', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf68527b0, tiny = {__data = "\260'\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000'\214\000\000\000\000\000\000\340\004\000\000\000\000\000\000\020\331\376/\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123222038682717}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c27, tiny = {__data = "'\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\331\376/\n\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 0}}, hasValue = true}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#21 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#22 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#23 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#24 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#25 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#26 0x0000000000a9bd54 in operator() (this=0x7f0d135b2e00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2e00: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19410, tiny = {__data = "\020\224\261\366\f\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#27 operator() (__closure=0x7f0d135b2e00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a2ffed9a0 "NonIoPool0"}, _M_string_length = 10, {_M_local_buf = "NonIoPool0\000\000\000\000\000", _M_allocated_capacity = 8029725099528449870}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19410, tiny = {__data = "\020\224\261\366\f\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#28 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2e00: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19410, tiny = {__data = "\020\224\261\366\f\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#29 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#30 0x00007f0d18faeea5 in start_thread (arg=0x7f0a2ffff700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0a2ffff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139681731704576, -4771262700614340274, 0, 8392704, 0, 139681731704576, 4890150703756980558, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#31 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 50 (Thread 0x7f0a2f7fe700 (LWP 35880)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=<optimized out>, absSteadyTime=absSteadyTime@entry=0x0, absSystemTime=absSystemTime@entry=0x0, expected=<optimized out>, addr=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15123284, tv_nsec = 556983018}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=<optimized out>, expected=<optimized out>, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x0, waitMask=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda819 in folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0a2f7ec10c, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 9223372036854775807}}
#4  0x0000000000bf46cd in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#5  folly::Baton<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0a2f7ec10c, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/Baton.h:308
        expected = <optimized out>
#6  0x0000000000bf947f in wait (opt=..., this=0x7f0a2f7ec10c) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/Baton.h:178
        deadline = {__d = {__r = 9223372036854775807}}
#7  folly::EventBase::runInEventBaseThreadAndWait(folly::Function<void ()>) (this=this@entry=0x7f0d13620760, fn=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:673
        ready = {state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 2}, static is_always_lock_free = true}}
#8  0x00000000005ac003 in iterate_all_connections(std::function<void (Connection&)>) (callback=...) at /opt/gcc-10.2.0/include/c++/10.2.0/new:175
        thr = @0x7f0d13620750: {thread_id = 139693702162176, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f66ef0}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136207a0, prev_ = 0x7f0d136207a0}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136207b0, prev_ = 0x7f0d136207b0}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136207c8, prev_ = 0x7f0d136207c8}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 235, 
                static tls_lastDeferredReaderSlot = 235, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693702162176}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f3d740}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f38100}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 1.5066375499473904e-12, buffer_time_ = {__r = 22}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 1.5066375499473904e-12, buffer_time_ = {__r = 22}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 23577, latestLoopCnt_ = 23576, startWork_ = {
              __d = {__r = 15123278896636357}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13620918 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13620958, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13620990, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 235, static tls_lastDeferredReaderSlot = 235, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f66f00}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 1, __count = 0, __owner = 35689, __nusers = 1, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = "\001\000\000\000\000\000\000\000i\213\000\000\001", '\000' <repeats 26 times>, 
                __align = 1}}, <No data fields>}, index = 25, subdoc_op = {m_path = 0x7f0d13505200, m_jsn = 0x1adbd80, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, 
              loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {
                  c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {_M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f3d780, _M_map_size = 8, _M_start = {
                            _M_cur = 0x7f0d12f34600, _M_first = 0x7f0d12f34600, _M_last = 0x7f0d12f34800, _M_node = 0x7f0d12f3d798}, _M_finish = {_M_cur = 0x7f0d12f34601, _M_first = 0x7f0d12f34600, _M_last = 0x7f0d12f34800, _M_node = 0x7f0d12f3d798}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, 
          scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, 
              static nxMoveCtor = <optimized out>, datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
        __for_range = @0x1071fd0: {<std::_Vector_base<FrontEndThread, std::allocator<FrontEndThread> >> = {_M_impl = {<std::allocator<FrontEndThread>> = {<__gnu_cxx::new_allocator<FrontEndThread>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread, std::allocator<FrontEndThread> >::_Vector_impl_data> = {_M_start = 0x7f0d1360e000, _M_finish = 0x7f0d1363c830, 
                _M_end_of_storage = 0x7f0d1363c830}, <No data fields>}}, <No data fields>}
#9  0x00000000006231fd in push_cluster_config (version=..., bucketIndex=1) at /opt/gcc-10.2.0/include/c++/10.2.0/new:175
        bucket = @0x10733f0: {mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, cond = {_M_cond = {__data = {__lock = 0, __futex = 0, __total_seq = 0, __wakeup_seq = 0, __woken_seq = 0, __mutex = 0x0, 
                __nwaiters = 0, __broadcast_seq = 0}, __size = '\000' <repeats 47 times>, __align = 0}}, clients = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 18}, static is_always_lock_free = true}, state = {static _S_min_alignment = 1, static _S_alignment = 1, _M_i = Bucket::Ready, static is_always_lock_free = <optimized out>}, 
          items_in_transit = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, type = Couchbase, name = "GleamBookUsers0", '\000' <repeats 85 times>, stats = {<std::_Vector_base<thread_stats, std::allocator<thread_stats> >> = {
              _M_impl = {<std::allocator<thread_stats>> = {<__gnu_cxx::new_allocator<thread_stats>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<thread_stats, std::allocator<thread_stats> >::_Vector_impl_data> = {_M_start = 0x7f0d12f91800, _M_finish = 0x7f0d12f95000, _M_end_of_storage = 0x7f0d12f95000}, <No data fields>}}, <No data fields>}, timings = {lock = {<std::__mutex_base> = {_M_mutex = {
                  __data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, interval_latency_lookups = {intervals = {<cb::RingBufferBase<cb::sampling::Interval, std::array<cb::sampling::Interval, 10> >> = {first = 2, array = {_M_elems = {{count = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, 
                        duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
                            static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, 
                      {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}}}}, <No data fields>}}, interval_latency_mutations = {intervals = {<cb::RingBufferBase<cb::sampling::Interval, std::array<cb::sampling::Interval, 10> >> = {first = 2, array = {_M_elems = {{count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968907}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415652529025}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15969012}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 11415679324950}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968762}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415606641243}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968829}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 11415627540727}, static is_always_lock_free = true}}}}}}, <No data fields>}}, timings = {_M_elems = {{_M_b = {_M_p = 0x7f0cf6c95720}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c93be0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a120cdf40}, static is_always_lock_free = <optimized out>}, {_M_b = {
                    _M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c95660}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 11 times>, {_M_b = {_M_p = 0x7f0cf6cd0b60}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 14 times>, 
                {_M_b = {_M_p = 0x7f08ea5e4160}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 29 times>, {_M_b = {_M_p = 0x7f08c0e0f340}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a12256400}, static is_always_lock_free = <optimized out>}, {
                  _M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 16 times>, {_M_b = {_M_p = 0x7f08ea5e4060}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08eaa73960}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a1193efa0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08eaa73980}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0d135e20a0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a12236920}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a11d7a1a0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a11d7a240}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08ea5e4660}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c92c40}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08ea5e4480}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c956e0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a122369a0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, 
                  static is_always_lock_free = <optimized out>} <repeats 39 times>, {_M_b = {_M_p = 0x7f0a12c69920}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 35 times>, {_M_b = {_M_p = 0x7f08eaa735e0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {
                    _M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08c0df8960}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f089b87ece0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a11685fc0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 67 times>, {_M_b = {_M_p = 0x7f08ea5e4520}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}}}, 
            histogram_mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, interval_counters = {
              coreArray = {<std::_Vector_base<std::array<cb::sampling::Interval, 256>, std::allocator<std::array<cb::sampling::Interval, 256> > >> = {
                  _M_impl = {<std::allocator<std::array<cb::sampling::Interval, 256> >> = {<__gnu_cxx::new_allocator<std::array<cb::sampling::Interval, 256> >> = {<No data fields>}, <No data fields>}, <std::_Vector_base<std::array<cb::sampling::Interval, 256>, std::allocator<std::array<cb::sampling::Interval, 256> > >::_Vector_impl_data> = {_M_start = 0x7f0d16267000, _M_finish = 0x7f0d162af000, 
                      _M_end_of_storage = 0x7f0d162af000}, <No data fields>}}, <No data fields>}}}, subjson_operation_times = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d16264240}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 235, static tls_lastDeferredReaderSlot = 235, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, jsonValidateTimes = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d16264300}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 235, static tls_lastDeferredReaderSlot = 235, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          snappyDecompressionTimes = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d162643c0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 235, static tls_lastDeferredReaderSlot = 235, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, responseCounters = {_M_elems = {{
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 18417665}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 6}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 291}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}} <repeats 126 times>, {
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 484132}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}} <repeats 81 times>}}, clusterConfiguration = {
            config = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<ClusterConfiguration::Configuration, std::default_delete<ClusterConfiguration::Configuration> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {
                _M_t = {<std::__uniq_ptr_impl<ClusterConfiguration::Configuration, std::default_delete<ClusterConfiguration::Configuration> >> = {
                    _M_t = {<std::_Tuple_impl<0, ClusterConfiguration::Configuration*, std::default_delete<ClusterConfiguration::Configuration> >> = {<std::_Tuple_impl<1, std::default_delete<ClusterConfiguration::Configuration> >> = {<std::_Head_base<1, std::default_delete<ClusterConfiguration::Configuration>, true>> = {<std::default_delete<ClusterConfiguration::Configuration>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, ClusterConfiguration::Configuration*, false>> = {_M_head_impl = 0x7f08c0e05490}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, 
                    __align = 0}}, <No data fields>}}}, max_document_size = 20971520, supportedFeatures = {
            _M_h = {<std::__detail::_Hashtable_base<cb::engine::Feature, cb::engine::Feature, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, true, true> >> = {<std::__detail::_Hash_code_base<cb::engine::Feature, cb::engine::Feature, std::__detail::_Identity, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<cb::engine::Feature>, true>> = {<std::hash<cb::engine::Feature>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<cb::engine::Feature>, true>> = {<std::equal_to<cb::engine::Feature>> = {<std::binary_function<cb::engine::Feature, cb::engine::Feature, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, true>> = {<std::__detail::_Insert_base<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<cb::engine::Feature, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<cb::engine::Feature, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<cb::engine::Feature, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<cb::engine::Feature, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, 
              _M_buckets = 0x7f0a116fa220, _M_bucket_count = 13, _M_before_begin = {_M_nxt = 0x7f0a120cdd00}, _M_element_count = 1, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 13}, _M_single_bucket = 0x0}}, engine = {_M_t = {<std::__uniq_ptr_impl<EngineIface, EngineDeletor>> = {
                _M_t = {<std::_Tuple_impl<0, EngineIface*, EngineDeletor>> = {<std::_Tuple_impl<1, EngineDeletor>> = {<std::_Head_base<1, EngineDeletor, false>> = {_M_head_impl = {force = false}}, <No data fields>}, <std::_Head_base<0, EngineIface*, false>> = {_M_head_impl = 0x7f0d10000000}, <No data fields>}, <No data fields>}}, <No data fields>}}, bucketDcp = 0x7f0d10000008}
        isAlive = <optimized out>
#10 operator() (__closure=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/protocol/mcbp/cluster_config_executor.cc:275
        version = <optimized out>
        bucketIndex = <optimized out>
#11 __invoke_impl<void, set_cluster_config_executor(Cookie&)::<lambda()>&> (__f=...) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/invoke.h:60
No locals.
#12 __invoke_r<void, set_cluster_config_executor(Cookie&)::<lambda()>&> (__fn=...) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/invoke.h:110
No locals.
#13 std::_Function_handler<void (), set_cluster_config_executor(Cookie&)::{lambda()#4}>::_M_invoke(std::_Any_data const&) () at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:291
No locals.
#14 0x0000000000625494 in operator() (this=0x7f0cf6c814c8) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
No locals.
#15 OneShotTask::run (this=0x7f0cf6c81450) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/one_shot_task.h:50
No locals.
#16 0x0000000000a9eeb2 in GlobalTask::execute() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/globaltask.cc:68
        guard = {previous = 0x0}
#17 0x0000000000a9c0c5 in FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}::operator()() const (__closure=0x7f0a2f7ec840) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:189
        scheduleOverhead = <optimized out>
        start = {__d = {__r = 15123278901945953}}
        runAgain = false
        proxy = @0x7f0d13da80e0: {<folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >::Callback> = {<boost::intrusive::list_base_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)2> >> = {<boost::intrusive::generic_hook<(boost::intrusive::algo_types)0, boost::intrusive::list_node_traits<void*>, boost::intrusive::dft_tag, (boost::intrusive::link_mode_type)2, (boost::intrusive::base_hook_type)1>> = {<boost::intrusive::node_holder<boost::intrusive::list_node<void*>, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::list_node<void*>> = {next_ = 0x0, 
                    prev_ = 0x0}, <No data fields>}, <boost::intrusive::hook_tags_definer<boost::intrusive::generic_hook<(boost::intrusive::algo_types)0, boost::intrusive::list_node_traits<void*>, boost::intrusive::dft_tag, (boost::intrusive::link_mode_type)2, (boost::intrusive::base_hook_type)1>, 1>> = {<No data fields>}, <No data fields>}, <No data fields>}, 
            _vptr.Callback = 0xca2b48 <vtable for FollyExecutorPool::TaskProxy+16>, wheel_ = 0x0, expiration_ = {__d = {__r = 0}}, bucket_ = -1, requestContext_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, 
          task = {<std::__shared_ptr<GlobalTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<GlobalTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0cf6c81450, _M_refcount = {_M_pi = 0x7f0cf6c81440}}, <No data fields>}, taskId = 4603, scheduledOnCpuPool = true, executor = @0x7f0d13dfea00, cpuPool = @0x7f0cf6936c00}
#18 0x0000000000bf0c60 in operator() (this=0x7f0a2f7ec840) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
        fn = @0x7f0a2f7ec840: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d13da80e0, tiny = {__data = "\340\200\332\023\r\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000(\214\000\000\000\000\000\000\350\004\000\000\000\000\000\000\020\311~/\n\177\000", __align = {<No data fields>}}}, 
          call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}
#19 folly::ThreadPoolExecutor::runTask(std::shared_ptr<folly::ThreadPoolExecutor::Thread> const&, folly::ThreadPoolExecutor::Task&&) (this=this@entry=0x7f0cf6936c00, thread=..., task=task@entry=<unknown type in /usr/lib/debug/opt/couchbase/bin/memcached-7.1.0-1817.x86_64.debug, CU 0xa120c30, DIE 0xa1a4b65>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/ThreadPoolExecutor.cpp:97
        rctx = {prev_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}
        startTime = {__d = {__r = 15123278901945341}}
        stats = {expired = false, waitTime = {__r = 4608}, runTime = {__r = 0}, enqueueTime = {__d = {__r = 15123278901940733}}, requestId = 0}
#20 0x0000000000bd8a1a in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0cf6936c00, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:265
        task = {storage_ = {{emptyState = -32 '\340', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0d13da80e0, tiny = {__data = "\340\200\332\023\r\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000(\214\000\000\000\000\000\000\350\004\000\000\000\000\000\000\020\311~/\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123278901940733}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c28, tiny = {__data = "(\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\311~/\n\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 0}}, hasValue = true}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#21 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#22 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#23 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#24 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#25 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#26 0x0000000000a9bd54 in operator() (this=0x7f0d135b2e40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2e40: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19440, tiny = {__data = "@\224\261\366\f\177\000\000\t\000\000\000\000\000\000\000userAgent", '\000' <repeats 22 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#27 operator() (__closure=0x7f0d135b2e40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a2f7ec9a0 "NonIoPool1"}, _M_string_length = 10, {_M_local_buf = "NonIoPool1\000\000\000\000\000", _M_allocated_capacity = 8029725099528449870}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19440, tiny = {__data = "@\224\261\366\f\177\000\000\t\000\000\000\000\000\000\000userAgent", '\000' <repeats 22 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#28 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2e40: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19440, tiny = {__data = "@\224\261\366\f\177\000\000\t\000\000\000\000\000\000\000userAgent", '\000' <repeats 22 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#29 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#30 0x00007f0d18faeea5 in start_thread (arg=0x7f0a2f7fe700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0a2f7fe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139681723311872, -4771262700614340274, 0, 8392704, 0, 139681723311872, 4890151802731737422, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#31 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 49 (Thread 0x7f0a2effd700 (LWP 35881)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=<optimized out>, absSteadyTime=absSteadyTime@entry=0x0, absSystemTime=absSystemTime@entry=0x0, expected=<optimized out>, addr=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15123288, tv_nsec = 194142040}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=<optimized out>, expected=<optimized out>, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x0, waitMask=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda819 in folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0a2efeb10c, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 9223372036854775807}}
#4  0x0000000000bf46cd in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#5  folly::Baton<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0a2efeb10c, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/Baton.h:308
        expected = <optimized out>
#6  0x0000000000bf947f in wait (opt=..., this=0x7f0a2efeb10c) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/Baton.h:178
        deadline = {__d = {__r = 9223372036854775807}}
#7  folly::EventBase::runInEventBaseThreadAndWait(folly::Function<void ()>) (this=this@entry=0x7f0d13620760, fn=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:673
        ready = {state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 2}, static is_always_lock_free = true}}
#8  0x00000000005ac003 in iterate_all_connections(std::function<void (Connection&)>) (callback=...) at /opt/gcc-10.2.0/include/c++/10.2.0/new:175
        thr = @0x7f0d13620750: {thread_id = 139693702162176, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f66ef0}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136207a0, prev_ = 0x7f0d136207a0}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136207b0, prev_ = 0x7f0d136207b0}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136207c8, prev_ = 0x7f0d136207c8}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 203, 
                static tls_lastDeferredReaderSlot = 203, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693702162176}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f3d740}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f38100}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 1.5066375499473904e-12, buffer_time_ = {__r = 22}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 1.5066375499473904e-12, buffer_time_ = {__r = 22}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 23577, latestLoopCnt_ = 23576, startWork_ = {
              __d = {__r = 15123278896636357}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13620918 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13620958, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13620990, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 203, static tls_lastDeferredReaderSlot = 203, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f66f00}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 1, __count = 0, __owner = 35689, __nusers = 1, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = "\001\000\000\000\000\000\000\000i\213\000\000\001", '\000' <repeats 26 times>, 
                __align = 1}}, <No data fields>}, index = 25, subdoc_op = {m_path = 0x7f0d13505200, m_jsn = 0x1adbd80, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, 
              loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {
                  c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {_M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f3d780, _M_map_size = 8, _M_start = {
                            _M_cur = 0x7f0d12f34600, _M_first = 0x7f0d12f34600, _M_last = 0x7f0d12f34800, _M_node = 0x7f0d12f3d798}, _M_finish = {_M_cur = 0x7f0d12f34601, _M_first = 0x7f0d12f34600, _M_last = 0x7f0d12f34800, _M_node = 0x7f0d12f3d798}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, 
          scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, 
              static nxMoveCtor = <optimized out>, datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
        __for_range = @0x1071fd0: {<std::_Vector_base<FrontEndThread, std::allocator<FrontEndThread> >> = {_M_impl = {<std::allocator<FrontEndThread>> = {<__gnu_cxx::new_allocator<FrontEndThread>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread, std::allocator<FrontEndThread> >::_Vector_impl_data> = {_M_start = 0x7f0d1360e000, _M_finish = 0x7f0d1363c830, 
                _M_end_of_storage = 0x7f0d1363c830}, <No data fields>}}, <No data fields>}
#9  0x00000000006231fd in push_cluster_config (version=..., bucketIndex=1) at /opt/gcc-10.2.0/include/c++/10.2.0/new:175
        bucket = @0x10733f0: {mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, cond = {_M_cond = {__data = {__lock = 0, __futex = 0, __total_seq = 0, __wakeup_seq = 0, __woken_seq = 0, __mutex = 0x0, 
                __nwaiters = 0, __broadcast_seq = 0}, __size = '\000' <repeats 47 times>, __align = 0}}, clients = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 18}, static is_always_lock_free = true}, state = {static _S_min_alignment = 1, static _S_alignment = 1, _M_i = Bucket::Ready, static is_always_lock_free = <optimized out>}, 
          items_in_transit = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, type = Couchbase, name = "GleamBookUsers0", '\000' <repeats 85 times>, stats = {<std::_Vector_base<thread_stats, std::allocator<thread_stats> >> = {
              _M_impl = {<std::allocator<thread_stats>> = {<__gnu_cxx::new_allocator<thread_stats>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<thread_stats, std::allocator<thread_stats> >::_Vector_impl_data> = {_M_start = 0x7f0d12f91800, _M_finish = 0x7f0d12f95000, _M_end_of_storage = 0x7f0d12f95000}, <No data fields>}}, <No data fields>}, timings = {lock = {<std::__mutex_base> = {_M_mutex = {
                  __data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, interval_latency_lookups = {intervals = {<cb::RingBufferBase<cb::sampling::Interval, std::array<cb::sampling::Interval, 10> >> = {first = 2, array = {_M_elems = {{count = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, 
                        duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
                            static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, 
                      {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}}}}, <No data fields>}}, interval_latency_mutations = {intervals = {<cb::RingBufferBase<cb::sampling::Interval, std::array<cb::sampling::Interval, 10> >> = {first = 2, array = {_M_elems = {{count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968907}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415652529025}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15969012}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 11415679324950}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968762}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415606641243}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968829}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 11415627540727}, static is_always_lock_free = true}}}}}}, <No data fields>}}, timings = {_M_elems = {{_M_b = {_M_p = 0x7f0cf6c95720}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c93be0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a120cdf40}, static is_always_lock_free = <optimized out>}, {_M_b = {
                    _M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c95660}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 11 times>, {_M_b = {_M_p = 0x7f0cf6cd0b60}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 14 times>, 
                {_M_b = {_M_p = 0x7f08ea5e4160}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 29 times>, {_M_b = {_M_p = 0x7f08c0e0f340}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a12256400}, static is_always_lock_free = <optimized out>}, {
                  _M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 16 times>, {_M_b = {_M_p = 0x7f08ea5e4060}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08eaa73960}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a1193efa0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08eaa73980}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0d135e20a0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a12236920}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a11d7a1a0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a11d7a240}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08ea5e4660}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c92c40}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08ea5e4480}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c956e0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a122369a0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, 
                  static is_always_lock_free = <optimized out>} <repeats 39 times>, {_M_b = {_M_p = 0x7f0a12c69920}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 35 times>, {_M_b = {_M_p = 0x7f08eaa735e0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {
                    _M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08c0df8960}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f089b87ece0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a11685fc0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 67 times>, {_M_b = {_M_p = 0x7f08ea5e4520}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}}}, 
            histogram_mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, interval_counters = {
              coreArray = {<std::_Vector_base<std::array<cb::sampling::Interval, 256>, std::allocator<std::array<cb::sampling::Interval, 256> > >> = {
                  _M_impl = {<std::allocator<std::array<cb::sampling::Interval, 256> >> = {<__gnu_cxx::new_allocator<std::array<cb::sampling::Interval, 256> >> = {<No data fields>}, <No data fields>}, <std::_Vector_base<std::array<cb::sampling::Interval, 256>, std::allocator<std::array<cb::sampling::Interval, 256> > >::_Vector_impl_data> = {_M_start = 0x7f0d16267000, _M_finish = 0x7f0d162af000, 
                      _M_end_of_storage = 0x7f0d162af000}, <No data fields>}}, <No data fields>}}}, subjson_operation_times = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d16264240}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 203, static tls_lastDeferredReaderSlot = 203, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, jsonValidateTimes = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d16264300}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 203, static tls_lastDeferredReaderSlot = 203, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          snappyDecompressionTimes = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d162643c0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 203, static tls_lastDeferredReaderSlot = 203, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, responseCounters = {_M_elems = {{
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 18417665}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 6}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 291}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}} <repeats 126 times>, {
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 484132}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}} <repeats 81 times>}}, clusterConfiguration = {
            config = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<ClusterConfiguration::Configuration, std::default_delete<ClusterConfiguration::Configuration> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {
                _M_t = {<std::__uniq_ptr_impl<ClusterConfiguration::Configuration, std::default_delete<ClusterConfiguration::Configuration> >> = {
                    _M_t = {<std::_Tuple_impl<0, ClusterConfiguration::Configuration*, std::default_delete<ClusterConfiguration::Configuration> >> = {<std::_Tuple_impl<1, std::default_delete<ClusterConfiguration::Configuration> >> = {<std::_Head_base<1, std::default_delete<ClusterConfiguration::Configuration>, true>> = {<std::default_delete<ClusterConfiguration::Configuration>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, ClusterConfiguration::Configuration*, false>> = {_M_head_impl = 0x7f08c0e05490}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, 
                    __align = 0}}, <No data fields>}}}, max_document_size = 20971520, supportedFeatures = {
            _M_h = {<std::__detail::_Hashtable_base<cb::engine::Feature, cb::engine::Feature, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, true, true> >> = {<std::__detail::_Hash_code_base<cb::engine::Feature, cb::engine::Feature, std::__detail::_Identity, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<cb::engine::Feature>, true>> = {<std::hash<cb::engine::Feature>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<cb::engine::Feature>, true>> = {<std::equal_to<cb::engine::Feature>> = {<std::binary_function<cb::engine::Feature, cb::engine::Feature, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, true>> = {<std::__detail::_Insert_base<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<cb::engine::Feature, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<cb::engine::Feature, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<cb::engine::Feature, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<cb::engine::Feature, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, 
              _M_buckets = 0x7f0a116fa220, _M_bucket_count = 13, _M_before_begin = {_M_nxt = 0x7f0a120cdd00}, _M_element_count = 1, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 13}, _M_single_bucket = 0x0}}, engine = {_M_t = {<std::__uniq_ptr_impl<EngineIface, EngineDeletor>> = {
                _M_t = {<std::_Tuple_impl<0, EngineIface*, EngineDeletor>> = {<std::_Tuple_impl<1, EngineDeletor>> = {<std::_Head_base<1, EngineDeletor, false>> = {_M_head_impl = {force = false}}, <No data fields>}, <std::_Head_base<0, EngineIface*, false>> = {_M_head_impl = 0x7f0d10000000}, <No data fields>}, <No data fields>}}, <No data fields>}}, bucketDcp = 0x7f0d10000008}
        isAlive = <optimized out>
#10 operator() (__closure=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/protocol/mcbp/cluster_config_executor.cc:275
        version = <optimized out>
        bucketIndex = <optimized out>
#11 __invoke_impl<void, set_cluster_config_executor(Cookie&)::<lambda()>&> (__f=...) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/invoke.h:60
No locals.
#12 __invoke_r<void, set_cluster_config_executor(Cookie&)::<lambda()>&> (__fn=...) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/invoke.h:110
No locals.
#13 std::_Function_handler<void (), set_cluster_config_executor(Cookie&)::{lambda()#4}>::_M_invoke(std::_Any_data const&) () at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:291
No locals.
#14 0x0000000000625494 in operator() (this=0x7f0cf6c80e08) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
No locals.
#15 OneShotTask::run (this=0x7f0cf6c80d90) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/one_shot_task.h:50
No locals.
#16 0x0000000000a9eeb2 in GlobalTask::execute() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/globaltask.cc:68
        guard = {previous = 0x0}
#17 0x0000000000a9c0c5 in FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}::operator()() const (__closure=0x7f0a2efeb840) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:189
        scheduleOverhead = <optimized out>
        start = {__d = {__r = 15123281217813535}}
        runAgain = false
        proxy = @0x7f0cf6852c10: {<folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >::Callback> = {<boost::intrusive::list_base_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)2> >> = {<boost::intrusive::generic_hook<(boost::intrusive::algo_types)0, boost::intrusive::list_node_traits<void*>, boost::intrusive::dft_tag, (boost::intrusive::link_mode_type)2, (boost::intrusive::base_hook_type)1>> = {<boost::intrusive::node_holder<boost::intrusive::list_node<void*>, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::list_node<void*>> = {next_ = 0x0, 
                    prev_ = 0x0}, <No data fields>}, <boost::intrusive::hook_tags_definer<boost::intrusive::generic_hook<(boost::intrusive::algo_types)0, boost::intrusive::list_node_traits<void*>, boost::intrusive::dft_tag, (boost::intrusive::link_mode_type)2, (boost::intrusive::base_hook_type)1>, 1>> = {<No data fields>}, <No data fields>}, <No data fields>}, 
            _vptr.Callback = 0xca2b48 <vtable for FollyExecutorPool::TaskProxy+16>, wheel_ = 0x0, expiration_ = {__d = {__r = 0}}, bucket_ = -1, requestContext_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, 
          task = {<std::__shared_ptr<GlobalTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<GlobalTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0cf6c80d90, _M_refcount = {_M_pi = 0x7f0cf6c80d80}}, <No data fields>}, taskId = 4607, scheduledOnCpuPool = true, executor = @0x7f0d13dfea00, cpuPool = @0x7f0cf6936c00}
#18 0x0000000000bf0c60 in operator() (this=0x7f0a2efeb840) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
        fn = @0x7f0a2efeb840: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6852c10, tiny = {__data = "\020,\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000)\214\000\000\000\000\000\000\360\004\000\000\000\000\000\000\020\271\376.\n\177\000", __align = {<No data fields>}}}, 
          call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}
#19 folly::ThreadPoolExecutor::runTask(std::shared_ptr<folly::ThreadPoolExecutor::Thread> const&, folly::ThreadPoolExecutor::Task&&) (this=this@entry=0x7f0cf6936c00, thread=..., task=task@entry=<unknown type in /usr/lib/debug/opt/couchbase/bin/memcached-7.1.0-1817.x86_64.debug, CU 0xa120c30, DIE 0xa1a4b65>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/ThreadPoolExecutor.cpp:97
        rctx = {prev_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}
        startTime = {__d = {__r = 15123281217812415}}
        stats = {expired = false, waitTime = {__r = 54276}, runTime = {__r = 0}, enqueueTime = {__d = {__r = 15123281217758139}}, requestId = 0}
#20 0x0000000000bd8a1a in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0cf6936c00, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:265
        task = {storage_ = {{emptyState = 16 '\020', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6852c10, tiny = {__data = "\020,\205\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000)\214\000\000\000\000\000\000\360\004\000\000\000\000\000\000\020\271\376.\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123281217758139}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c29, tiny = {__data = ")\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\312~n\n\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 0}}, hasValue = true}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#21 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#22 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#23 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#24 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#25 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#26 0x0000000000a9bd54 in operator() (this=0x7f0d135b2e80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0d135b2e80: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19470, tiny = {__data = "p\224\261\366\f\177\000\000\000\000\000\000\000\000\000\000\240.[\023\r\177\000\000\006\000\000\000\000\000\000\000status\000\000\000\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#27 operator() (__closure=0x7f0d135b2e80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a2efeb9a0 "NonIoPool2"}, _M_string_length = 10, {_M_local_buf = "NonIoPool2\000\000\000\000\000", _M_allocated_capacity = 8029725099528449870}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19470, tiny = {__data = "p\224\261\366\f\177\000\000\000\000\000\000\000\000\000\000\240.[\023\r\177\000\000\006\000\000\000\000\000\000\000status\000\000\000\000\000\000\000\000\000", __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#28 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0d135b2e80: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19470, tiny = {__data = "p\224\261\366\f\177\000\000\000\000\000\000\000\000\000\000\240.[\023\r\177\000\000\006\000\000\000\000\000\000\000status\000\000\000\000\000\000\000\000\000", __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#29 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#30 0x00007f0d18faeea5 in start_thread (arg=0x7f0a2effd700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0a2effd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139681714919168, -4771262700614340274, 0, 8392704, 0, 139681714919168, 4890148501512499534, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#31 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 48 (Thread 0x7f0a2e7fc700 (LWP 35882)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=<optimized out>, absSteadyTime=absSteadyTime@entry=0x0, absSystemTime=absSystemTime@entry=0x0, expected=<optimized out>, addr=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15123227, tv_nsec = 539160451}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=<optimized out>, expected=<optimized out>, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x0, waitMask=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda819 in folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0a2e7ea10c, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 9223372036854775807}}
#4  0x0000000000bf46cd in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#5  folly::Baton<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0a2e7ea10c, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/Baton.h:308
        expected = <optimized out>
#6  0x0000000000bf947f in wait (opt=..., this=0x7f0a2e7ea10c) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/Baton.h:178
        deadline = {__d = {__r = 9223372036854775807}}
#7  folly::EventBase::runInEventBaseThreadAndWait(folly::Function<void ()>) (this=this@entry=0x7f0d13635220, fn=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:673
        ready = {state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 2}, static is_always_lock_free = true}}
#8  0x00000000005ac003 in iterate_all_connections(std::function<void (Connection&)>) (callback=...) at /opt/gcc-10.2.0/include/c++/10.2.0/new:175
        thr = @0x7f0d13635210: {thread_id = 139693448398592, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f397b0}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13635260, prev_ = 0x7f0d13635260}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13635270, prev_ = 0x7f0d13635270}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13635288, prev_ = 0x7f0d13635288}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 153, 
                static tls_lastDeferredReaderSlot = 153, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693448398592}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f4af00}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f45d00}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 6.7021598375987918e-13, buffer_time_ = {__r = 46}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 6.7021598375987918e-13, buffer_time_ = {__r = 46}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 1206160, latestLoopCnt_ = 1206159, 
            startWork_ = {__d = {__r = 15123205054581811}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d136353d8 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13635418, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13635450, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 153, static tls_lastDeferredReaderSlot = 153, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f397c0}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 1, __count = 0, __owner = 35717, __nusers = 1, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = "\001\000\000\000\000\000\000\000\205\213\000\000\001", '\000' <repeats 26 times>, 
                __align = 1}}, <No data fields>}, index = 53, subdoc_op = {m_path = 0x7f0d1351ae00, m_jsn = 0x1ae9a00, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, 
              loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 1, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {
                  c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {_M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f4af40, _M_map_size = 8, _M_start = {
                            _M_cur = 0x7f0d12f4ce00, _M_first = 0x7f0d12f4ce00, _M_last = 0x7f0d12f4d000, _M_node = 0x7f0d12f4af58}, _M_finish = {_M_cur = 0x7f0d12f4ce00, _M_first = 0x7f0d12f4ce00, _M_last = 0x7f0d12f4d000, _M_node = 0x7f0d12f4af58}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, 
          scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, 
              static nxMoveCtor = <optimized out>, datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
        __for_range = @0x1071fd0: {<std::_Vector_base<FrontEndThread, std::allocator<FrontEndThread> >> = {_M_impl = {<std::allocator<FrontEndThread>> = {<__gnu_cxx::new_allocator<FrontEndThread>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread, std::allocator<FrontEndThread> >::_Vector_impl_data> = {_M_start = 0x7f0d1360e000, _M_finish = 0x7f0d1363c830, 
                _M_end_of_storage = 0x7f0d1363c830}, <No data fields>}}, <No data fields>}
#9  0x00000000006231fd in push_cluster_config (version=..., bucketIndex=1) at /opt/gcc-10.2.0/include/c++/10.2.0/new:175
        bucket = @0x10733f0: {mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, cond = {_M_cond = {__data = {__lock = 0, __futex = 0, __total_seq = 0, __wakeup_seq = 0, __woken_seq = 0, __mutex = 0x0, 
                __nwaiters = 0, __broadcast_seq = 0}, __size = '\000' <repeats 47 times>, __align = 0}}, clients = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 18}, static is_always_lock_free = true}, state = {static _S_min_alignment = 1, static _S_alignment = 1, _M_i = Bucket::Ready, static is_always_lock_free = <optimized out>}, 
          items_in_transit = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, type = Couchbase, name = "GleamBookUsers0", '\000' <repeats 85 times>, stats = {<std::_Vector_base<thread_stats, std::allocator<thread_stats> >> = {
              _M_impl = {<std::allocator<thread_stats>> = {<__gnu_cxx::new_allocator<thread_stats>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<thread_stats, std::allocator<thread_stats> >::_Vector_impl_data> = {_M_start = 0x7f0d12f91800, _M_finish = 0x7f0d12f95000, _M_end_of_storage = 0x7f0d12f95000}, <No data fields>}}, <No data fields>}, timings = {lock = {<std::__mutex_base> = {_M_mutex = {
                  __data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, interval_latency_lookups = {intervals = {<cb::RingBufferBase<cb::sampling::Interval, std::array<cb::sampling::Interval, 10> >> = {first = 2, array = {_M_elems = {{count = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, 
                        duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
                            static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, 
                      {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}}}}, <No data fields>}}, interval_latency_mutations = {intervals = {<cb::RingBufferBase<cb::sampling::Interval, std::array<cb::sampling::Interval, 10> >> = {first = 2, array = {_M_elems = {{count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968907}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415652529025}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15969012}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 11415679324950}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968762}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415606641243}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968829}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 11415627540727}, static is_always_lock_free = true}}}}}}, <No data fields>}}, timings = {_M_elems = {{_M_b = {_M_p = 0x7f0cf6c95720}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c93be0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a120cdf40}, static is_always_lock_free = <optimized out>}, {_M_b = {
                    _M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c95660}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 11 times>, {_M_b = {_M_p = 0x7f0cf6cd0b60}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 14 times>, 
                {_M_b = {_M_p = 0x7f08ea5e4160}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 29 times>, {_M_b = {_M_p = 0x7f08c0e0f340}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a12256400}, static is_always_lock_free = <optimized out>}, {
                  _M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 16 times>, {_M_b = {_M_p = 0x7f08ea5e4060}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08eaa73960}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a1193efa0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08eaa73980}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0d135e20a0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a12236920}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a11d7a1a0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a11d7a240}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08ea5e4660}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c92c40}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08ea5e4480}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c956e0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a122369a0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, 
                  static is_always_lock_free = <optimized out>} <repeats 39 times>, {_M_b = {_M_p = 0x7f0a12c69920}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 35 times>, {_M_b = {_M_p = 0x7f08eaa735e0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {
                    _M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08c0df8960}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f089b87ece0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a11685fc0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 67 times>, {_M_b = {_M_p = 0x7f08ea5e4520}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}}}, 
            histogram_mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, interval_counters = {
              coreArray = {<std::_Vector_base<std::array<cb::sampling::Interval, 256>, std::allocator<std::array<cb::sampling::Interval, 256> > >> = {
                  _M_impl = {<std::allocator<std::array<cb::sampling::Interval, 256> >> = {<__gnu_cxx::new_allocator<std::array<cb::sampling::Interval, 256> >> = {<No data fields>}, <No data fields>}, <std::_Vector_base<std::array<cb::sampling::Interval, 256>, std::allocator<std::array<cb::sampling::Interval, 256> > >::_Vector_impl_data> = {_M_start = 0x7f0d16267000, _M_finish = 0x7f0d162af000, 
                      _M_end_of_storage = 0x7f0d162af000}, <No data fields>}}, <No data fields>}}}, subjson_operation_times = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d16264240}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 153, static tls_lastDeferredReaderSlot = 153, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, jsonValidateTimes = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d16264300}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 153, static tls_lastDeferredReaderSlot = 153, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          snappyDecompressionTimes = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d162643c0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 153, static tls_lastDeferredReaderSlot = 153, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, responseCounters = {_M_elems = {{
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 18417665}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 6}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 291}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}} <repeats 126 times>, {
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 484132}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}} <repeats 81 times>}}, clusterConfiguration = {
            config = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<ClusterConfiguration::Configuration, std::default_delete<ClusterConfiguration::Configuration> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {
                _M_t = {<std::__uniq_ptr_impl<ClusterConfiguration::Configuration, std::default_delete<ClusterConfiguration::Configuration> >> = {
                    _M_t = {<std::_Tuple_impl<0, ClusterConfiguration::Configuration*, std::default_delete<ClusterConfiguration::Configuration> >> = {<std::_Tuple_impl<1, std::default_delete<ClusterConfiguration::Configuration> >> = {<std::_Head_base<1, std::default_delete<ClusterConfiguration::Configuration>, true>> = {<std::default_delete<ClusterConfiguration::Configuration>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, ClusterConfiguration::Configuration*, false>> = {_M_head_impl = 0x7f08c0e05490}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, 
                    __align = 0}}, <No data fields>}}}, max_document_size = 20971520, supportedFeatures = {
            _M_h = {<std::__detail::_Hashtable_base<cb::engine::Feature, cb::engine::Feature, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, true, true> >> = {<std::__detail::_Hash_code_base<cb::engine::Feature, cb::engine::Feature, std::__detail::_Identity, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<cb::engine::Feature>, true>> = {<std::hash<cb::engine::Feature>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<cb::engine::Feature>, true>> = {<std::equal_to<cb::engine::Feature>> = {<std::binary_function<cb::engine::Feature, cb::engine::Feature, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, true>> = {<std::__detail::_Insert_base<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<cb::engine::Feature, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<cb::engine::Feature, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<cb::engine::Feature, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<cb::engine::Feature, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, 
              _M_buckets = 0x7f0a116fa220, _M_bucket_count = 13, _M_before_begin = {_M_nxt = 0x7f0a120cdd00}, _M_element_count = 1, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 13}, _M_single_bucket = 0x0}}, engine = {_M_t = {<std::__uniq_ptr_impl<EngineIface, EngineDeletor>> = {
                _M_t = {<std::_Tuple_impl<0, EngineIface*, EngineDeletor>> = {<std::_Tuple_impl<1, EngineDeletor>> = {<std::_Head_base<1, EngineDeletor, false>> = {_M_head_impl = {force = false}}, <No data fields>}, <std::_Head_base<0, EngineIface*, false>> = {_M_head_impl = 0x7f0d10000000}, <No data fields>}, <No data fields>}}, <No data fields>}}, bucketDcp = 0x7f0d10000008}
        isAlive = <optimized out>
#10 operator() (__closure=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/protocol/mcbp/cluster_config_executor.cc:275
        version = <optimized out>
        bucketIndex = <optimized out>
#11 __invoke_impl<void, set_cluster_config_executor(Cookie&)::<lambda()>&> (__f=...) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/invoke.h:60
No locals.
#12 __invoke_r<void, set_cluster_config_executor(Cookie&)::<lambda()>&> (__fn=...) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/invoke.h:110
No locals.
#13 std::_Function_handler<void (), set_cluster_config_executor(Cookie&)::{lambda()#4}>::_M_invoke(std::_Any_data const&) () at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:291
No locals.
#14 0x0000000000625494 in operator() (this=0x7f0cf6c81108) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
No locals.
#15 OneShotTask::run (this=0x7f0cf6c81090) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/one_shot_task.h:50
No locals.
#16 0x0000000000a9eeb2 in GlobalTask::execute() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/globaltask.cc:68
        guard = {previous = 0x0}
#17 0x0000000000a9c0c5 in FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}::operator()() const (__closure=0x7f0a2e7ea840) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:189
        scheduleOverhead = <optimized out>
        start = {__d = {__r = 15123222120364414}}
        runAgain = false
        proxy = @0x7f0cf6c847a0: {<folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >::Callback> = {<boost::intrusive::list_base_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)2> >> = {<boost::intrusive::generic_hook<(boost::intrusive::algo_types)0, boost::intrusive::list_node_traits<void*>, boost::intrusive::dft_tag, (boost::intrusive::link_mode_type)2, (boost::intrusive::base_hook_type)1>> = {<boost::intrusive::node_holder<boost::intrusive::list_node<void*>, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::list_node<void*>> = {next_ = 0x0, 
                    prev_ = 0x0}, <No data fields>}, <boost::intrusive::hook_tags_definer<boost::intrusive::generic_hook<(boost::intrusive::algo_types)0, boost::intrusive::list_node_traits<void*>, boost::intrusive::dft_tag, (boost::intrusive::link_mode_type)2, (boost::intrusive::base_hook_type)1>, 1>> = {<No data fields>}, <No data fields>}, <No data fields>}, 
            _vptr.Callback = 0xca2b48 <vtable for FollyExecutorPool::TaskProxy+16>, wheel_ = 0x0, expiration_ = {__d = {__r = 0}}, bucket_ = -1, requestContext_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, 
          task = {<std::__shared_ptr<GlobalTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<GlobalTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0cf6c81090, _M_refcount = {_M_pi = 0x7f0cf6c81080}}, <No data fields>}, taskId = 4543, scheduledOnCpuPool = true, executor = @0x7f0d13dfea00, cpuPool = @0x7f0cf6936c00}
#18 0x0000000000bf0c60 in operator() (this=0x7f0a2e7ea840) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
        fn = @0x7f0a2e7ea840: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6c847a0, tiny = {__data = "\240G\310\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000*\214\000\000\000\000\000\000\370\004\000\000\000\000\000\000\020\251~.\n\177\000", __align = {<No data fields>}}}, 
          call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}
#19 folly::ThreadPoolExecutor::runTask(std::shared_ptr<folly::ThreadPoolExecutor::Thread> const&, folly::ThreadPoolExecutor::Task&&) (this=this@entry=0x7f0cf6936c00, thread=..., task=task@entry=<unknown type in /usr/lib/debug/opt/couchbase/bin/memcached-7.1.0-1817.x86_64.debug, CU 0xa120c30, DIE 0xa1a4b65>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/ThreadPoolExecutor.cpp:97
        rctx = {prev_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}
        startTime = {__d = {__r = 15123222120363615}}
        stats = {expired = false, waitTime = {__r = 14100}, runTime = {__r = 0}, enqueueTime = {__d = {__r = 15123222120349515}}, requestId = 0}
#20 0x0000000000bd8a1a in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0cf6936c00, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:265
        task = {storage_ = {{emptyState = -96 '\240', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6c847a0, tiny = {__data = "\240G\310\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000*\214\000\000\000\000\000\000\370\004\000\000\000\000\000\000\020\251~.\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123222120349515}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c2a, tiny = {__data = "*\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\332\376.\n\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 0}}, hasValue = true}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#21 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#22 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#23 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#24 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#25 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#26 0x0000000000a9bd54 in operator() (this=0x7f0cf6bbbf00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0cf6bbbf00: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b194a0, tiny = {__data = "\240\224\261\366\f\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#27 operator() (__closure=0x7f0cf6bbbf00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a2e7ea9a0 "NonIoPool3"}, _M_string_length = 10, {_M_local_buf = "NonIoPool3\000\000\000\000\000", _M_allocated_capacity = 8029725099528449870}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b194a0, tiny = {__data = "\240\224\261\366\f\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#28 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0cf6bbbf00: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b194a0, tiny = {__data = "\240\224\261\366\f\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#29 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#30 0x00007f0d18faeea5 in start_thread (arg=0x7f0a2e7fc700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0a2e7fc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139681706526464, -4771262700614340274, 0, 8392704, 0, 139681706526464, 4890149600487256398, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#31 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 47 (Thread 0x7f0a2dffb700 (LWP 35883)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=<optimized out>, absSteadyTime=absSteadyTime@entry=0x0, absSystemTime=absSystemTime@entry=0x0, expected=<optimized out>, addr=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15123345, tv_nsec = 213951382}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=<optimized out>, expected=<optimized out>, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x0, waitMask=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda819 in folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0a2dfe910c, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 9223372036854775807}}
#4  0x0000000000bf46cd in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#5  folly::Baton<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0a2dfe910c, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/Baton.h:308
        expected = <optimized out>
#6  0x0000000000bf947f in wait (opt=..., this=0x7f0a2dfe910c) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/Baton.h:178
        deadline = {__d = {__r = 9223372036854775807}}
#7  folly::EventBase::runInEventBaseThreadAndWait(folly::Function<void ()>) (this=this@entry=0x7f0d13620760, fn=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:673
        ready = {state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 2}, static is_always_lock_free = true}}
#8  0x00000000005ac003 in iterate_all_connections(std::function<void (Connection&)>) (callback=...) at /opt/gcc-10.2.0/include/c++/10.2.0/new:175
        thr = @0x7f0d13620750: {thread_id = 139693702162176, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f66ef0}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136207a0, prev_ = 0x7f0d136207a0}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136207b0, prev_ = 0x7f0d136207b0}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d136207c8, prev_ = 0x7f0d136207c8}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 135, 
                static tls_lastDeferredReaderSlot = 135, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693702162176}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f3d740}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f38100}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 1.5066375499473904e-12, buffer_time_ = {__r = 22}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 1.5066375499473904e-12, buffer_time_ = {__r = 22}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 23577, latestLoopCnt_ = 23576, startWork_ = {
              __d = {__r = 15123278896636357}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13620918 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13620958, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13620990, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 135, static tls_lastDeferredReaderSlot = 135, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f66f00}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 1, __count = 0, __owner = 35689, __nusers = 1, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = "\001\000\000\000\000\000\000\000i\213\000\000\001", '\000' <repeats 26 times>, 
                __align = 1}}, <No data fields>}, index = 25, subdoc_op = {m_path = 0x7f0d13505200, m_jsn = 0x1adbd80, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, 
              loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 5, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {
                  c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {_M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f3d780, _M_map_size = 8, _M_start = {
                            _M_cur = 0x7f0d12f34600, _M_first = 0x7f0d12f34600, _M_last = 0x7f0d12f34800, _M_node = 0x7f0d12f3d798}, _M_finish = {_M_cur = 0x7f0d12f34601, _M_first = 0x7f0d12f34600, _M_last = 0x7f0d12f34800, _M_node = 0x7f0d12f3d798}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, 
          scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, 
              static nxMoveCtor = <optimized out>, datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
        __for_range = @0x1071fd0: {<std::_Vector_base<FrontEndThread, std::allocator<FrontEndThread> >> = {_M_impl = {<std::allocator<FrontEndThread>> = {<__gnu_cxx::new_allocator<FrontEndThread>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread, std::allocator<FrontEndThread> >::_Vector_impl_data> = {_M_start = 0x7f0d1360e000, _M_finish = 0x7f0d1363c830, 
                _M_end_of_storage = 0x7f0d1363c830}, <No data fields>}}, <No data fields>}
#9  0x00000000006231fd in push_cluster_config (version=..., bucketIndex=1) at /opt/gcc-10.2.0/include/c++/10.2.0/new:175
        bucket = @0x10733f0: {mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, cond = {_M_cond = {__data = {__lock = 0, __futex = 0, __total_seq = 0, __wakeup_seq = 0, __woken_seq = 0, __mutex = 0x0, 
                __nwaiters = 0, __broadcast_seq = 0}, __size = '\000' <repeats 47 times>, __align = 0}}, clients = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 18}, static is_always_lock_free = true}, state = {static _S_min_alignment = 1, static _S_alignment = 1, _M_i = Bucket::Ready, static is_always_lock_free = <optimized out>}, 
          items_in_transit = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, type = Couchbase, name = "GleamBookUsers0", '\000' <repeats 85 times>, stats = {<std::_Vector_base<thread_stats, std::allocator<thread_stats> >> = {
              _M_impl = {<std::allocator<thread_stats>> = {<__gnu_cxx::new_allocator<thread_stats>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<thread_stats, std::allocator<thread_stats> >::_Vector_impl_data> = {_M_start = 0x7f0d12f91800, _M_finish = 0x7f0d12f95000, _M_end_of_storage = 0x7f0d12f95000}, <No data fields>}}, <No data fields>}, timings = {lock = {<std::__mutex_base> = {_M_mutex = {
                  __data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, interval_latency_lookups = {intervals = {<cb::RingBufferBase<cb::sampling::Interval, std::array<cb::sampling::Interval, 10> >> = {first = 2, array = {_M_elems = {{count = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, 
                        duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
                            static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, 
                      {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}}}}, <No data fields>}}, interval_latency_mutations = {intervals = {<cb::RingBufferBase<cb::sampling::Interval, std::array<cb::sampling::Interval, 10> >> = {first = 2, array = {_M_elems = {{count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968907}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415652529025}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15969012}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 11415679324950}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968762}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415606641243}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968829}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 11415627540727}, static is_always_lock_free = true}}}}}}, <No data fields>}}, timings = {_M_elems = {{_M_b = {_M_p = 0x7f0cf6c95720}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c93be0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a120cdf40}, static is_always_lock_free = <optimized out>}, {_M_b = {
                    _M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c95660}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 11 times>, {_M_b = {_M_p = 0x7f0cf6cd0b60}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 14 times>, 
                {_M_b = {_M_p = 0x7f08ea5e4160}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 29 times>, {_M_b = {_M_p = 0x7f08c0e0f340}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a12256400}, static is_always_lock_free = <optimized out>}, {
                  _M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 16 times>, {_M_b = {_M_p = 0x7f08ea5e4060}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08eaa73960}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a1193efa0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08eaa73980}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0d135e20a0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a12236920}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a11d7a1a0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a11d7a240}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08ea5e4660}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c92c40}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08ea5e4480}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c956e0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a122369a0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, 
                  static is_always_lock_free = <optimized out>} <repeats 39 times>, {_M_b = {_M_p = 0x7f0a12c69920}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 35 times>, {_M_b = {_M_p = 0x7f08eaa735e0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {
                    _M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08c0df8960}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f089b87ece0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a11685fc0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 67 times>, {_M_b = {_M_p = 0x7f08ea5e4520}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}}}, 
            histogram_mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, interval_counters = {
              coreArray = {<std::_Vector_base<std::array<cb::sampling::Interval, 256>, std::allocator<std::array<cb::sampling::Interval, 256> > >> = {
                  _M_impl = {<std::allocator<std::array<cb::sampling::Interval, 256> >> = {<__gnu_cxx::new_allocator<std::array<cb::sampling::Interval, 256> >> = {<No data fields>}, <No data fields>}, <std::_Vector_base<std::array<cb::sampling::Interval, 256>, std::allocator<std::array<cb::sampling::Interval, 256> > >::_Vector_impl_data> = {_M_start = 0x7f0d16267000, _M_finish = 0x7f0d162af000, 
                      _M_end_of_storage = 0x7f0d162af000}, <No data fields>}}, <No data fields>}}}, subjson_operation_times = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d16264240}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 135, static tls_lastDeferredReaderSlot = 135, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, jsonValidateTimes = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d16264300}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 135, static tls_lastDeferredReaderSlot = 135, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          snappyDecompressionTimes = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d162643c0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 135, static tls_lastDeferredReaderSlot = 135, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, responseCounters = {_M_elems = {{
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 18417665}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 6}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 291}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}} <repeats 126 times>, {
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 484132}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}} <repeats 81 times>}}, clusterConfiguration = {
            config = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<ClusterConfiguration::Configuration, std::default_delete<ClusterConfiguration::Configuration> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {
                _M_t = {<std::__uniq_ptr_impl<ClusterConfiguration::Configuration, std::default_delete<ClusterConfiguration::Configuration> >> = {
                    _M_t = {<std::_Tuple_impl<0, ClusterConfiguration::Configuration*, std::default_delete<ClusterConfiguration::Configuration> >> = {<std::_Tuple_impl<1, std::default_delete<ClusterConfiguration::Configuration> >> = {<std::_Head_base<1, std::default_delete<ClusterConfiguration::Configuration>, true>> = {<std::default_delete<ClusterConfiguration::Configuration>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, ClusterConfiguration::Configuration*, false>> = {_M_head_impl = 0x7f08c0e05490}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, 
                    __align = 0}}, <No data fields>}}}, max_document_size = 20971520, supportedFeatures = {
            _M_h = {<std::__detail::_Hashtable_base<cb::engine::Feature, cb::engine::Feature, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, true, true> >> = {<std::__detail::_Hash_code_base<cb::engine::Feature, cb::engine::Feature, std::__detail::_Identity, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<cb::engine::Feature>, true>> = {<std::hash<cb::engine::Feature>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<cb::engine::Feature>, true>> = {<std::equal_to<cb::engine::Feature>> = {<std::binary_function<cb::engine::Feature, cb::engine::Feature, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, true>> = {<std::__detail::_Insert_base<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<cb::engine::Feature, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<cb::engine::Feature, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<cb::engine::Feature, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<cb::engine::Feature, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, 
              _M_buckets = 0x7f0a116fa220, _M_bucket_count = 13, _M_before_begin = {_M_nxt = 0x7f0a120cdd00}, _M_element_count = 1, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 13}, _M_single_bucket = 0x0}}, engine = {_M_t = {<std::__uniq_ptr_impl<EngineIface, EngineDeletor>> = {
                _M_t = {<std::_Tuple_impl<0, EngineIface*, EngineDeletor>> = {<std::_Tuple_impl<1, EngineDeletor>> = {<std::_Head_base<1, EngineDeletor, false>> = {_M_head_impl = {force = false}}, <No data fields>}, <std::_Head_base<0, EngineIface*, false>> = {_M_head_impl = 0x7f0d10000000}, <No data fields>}, <No data fields>}}, <No data fields>}}, bucketDcp = 0x7f0d10000008}
        isAlive = <optimized out>
#10 operator() (__closure=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/protocol/mcbp/cluster_config_executor.cc:275
        version = <optimized out>
        bucketIndex = <optimized out>
#11 __invoke_impl<void, set_cluster_config_executor(Cookie&)::<lambda()>&> (__f=...) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/invoke.h:60
No locals.
#12 __invoke_r<void, set_cluster_config_executor(Cookie&)::<lambda()>&> (__fn=...) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/invoke.h:110
No locals.
#13 std::_Function_handler<void (), set_cluster_config_executor(Cookie&)::{lambda()#4}>::_M_invoke(std::_Any_data const&) () at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:291
No locals.
#14 0x0000000000625494 in operator() (this=0x7f0cf6c81588) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
No locals.
#15 OneShotTask::run (this=0x7f0cf6c81510) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/one_shot_task.h:50
No locals.
#16 0x0000000000a9eeb2 in GlobalTask::execute() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/globaltask.cc:68
        guard = {previous = 0x0}
#17 0x0000000000a9c0c5 in FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}::operator()() const (__closure=0x7f0a2dfe9840) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:189
        scheduleOverhead = <optimized out>
        start = {__d = {__r = 15123338101851498}}
        runAgain = false
        proxy = @0x7f0cf6c83a10: {<folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >::Callback> = {<boost::intrusive::list_base_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)2> >> = {<boost::intrusive::generic_hook<(boost::intrusive::algo_types)0, boost::intrusive::list_node_traits<void*>, boost::intrusive::dft_tag, (boost::intrusive::link_mode_type)2, (boost::intrusive::base_hook_type)1>> = {<boost::intrusive::node_holder<boost::intrusive::list_node<void*>, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::list_node<void*>> = {next_ = 0x0, 
                    prev_ = 0x0}, <No data fields>}, <boost::intrusive::hook_tags_definer<boost::intrusive::generic_hook<(boost::intrusive::algo_types)0, boost::intrusive::list_node_traits<void*>, boost::intrusive::dft_tag, (boost::intrusive::link_mode_type)2, (boost::intrusive::base_hook_type)1>, 1>> = {<No data fields>}, <No data fields>}, <No data fields>}, 
            _vptr.Callback = 0xca2b48 <vtable for FollyExecutorPool::TaskProxy+16>, wheel_ = 0x0, expiration_ = {__d = {__r = 0}}, bucket_ = -1, requestContext_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, 
          task = {<std::__shared_ptr<GlobalTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<GlobalTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0cf6c81510, _M_refcount = {_M_pi = 0x7f0cf6c81500}}, <No data fields>}, taskId = 4665, scheduledOnCpuPool = true, executor = @0x7f0d13dfea00, cpuPool = @0x7f0cf6936c00}
#18 0x0000000000bf0c60 in operator() (this=0x7f0a2dfe9840) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
        fn = @0x7f0a2dfe9840: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6c83a10, tiny = {__data = "\020:\310\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000+\214\000\000\000\000\000\000\000\005\000\000\000\000\000\000\020\231\376-\n\177\000", __align = {<No data fields>}}}, 
          call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}
#19 folly::ThreadPoolExecutor::runTask(std::shared_ptr<folly::ThreadPoolExecutor::Thread> const&, folly::ThreadPoolExecutor::Task&&) (this=this@entry=0x7f0cf6936c00, thread=..., task=task@entry=<unknown type in /usr/lib/debug/opt/couchbase/bin/memcached-7.1.0-1817.x86_64.debug, CU 0xa120c30, DIE 0xa1a4b65>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/ThreadPoolExecutor.cpp:97
        rctx = {prev_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}
        startTime = {__d = {__r = 15123338101850396}}
        stats = {expired = false, waitTime = {__r = 6077}, runTime = {__r = 0}, enqueueTime = {__d = {__r = 15123338101844319}}, requestId = 0}
#20 0x0000000000bd8a1a in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0cf6936c00, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:265
        task = {storage_ = {{emptyState = 16 '\020', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6c83a10, tiny = {__data = "\020:\310\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000+\214\000\000\000\000\000\000\000\005\000\000\000\000\000\000\020\231\376-\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123338101844319}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c2b, tiny = {__data = "+\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\272\375\371\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 0}}, hasValue = true}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#21 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#22 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#23 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#24 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#25 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#26 0x0000000000a9bd54 in operator() (this=0x7f0cf6bbbf40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0cf6bbbf40: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b194d0, tiny = {__data = "Д\261\366\f\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#27 operator() (__closure=0x7f0cf6bbbf40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a2dfe99a0 "NonIoPool4"}, _M_string_length = 10, {_M_local_buf = "NonIoPool4\000\000\000\000\000", _M_allocated_capacity = 8029725099528449870}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b194d0, tiny = {__data = "Д\261\366\f\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#28 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0cf6bbbf40: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b194d0, tiny = {__data = "Д\261\366\f\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#29 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#30 0x00007f0d18faeea5 in start_thread (arg=0x7f0a2dffb700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0a2dffb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139681698133760, -4771262700614340274, 0, 8392704, 0, 139681698133760, 4890146303562985806, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#31 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 46 (Thread 0x7f0a2d7fa700 (LWP 35884)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=<optimized out>, absSteadyTime=absSteadyTime@entry=0x0, absSystemTime=absSystemTime@entry=0x0, expected=<optimized out>, addr=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15123227, tv_nsec = 422250859}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=<optimized out>, expected=<optimized out>, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x0, waitMask=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda819 in folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0a2d7e810c, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 9223372036854775807}}
#4  0x0000000000bf46cd in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#5  folly::Baton<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0a2d7e810c, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/Baton.h:308
        expected = <optimized out>
#6  0x0000000000bf947f in wait (opt=..., this=0x7f0a2d7e810c) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/Baton.h:178
        deadline = {__d = {__r = 9223372036854775807}}
#7  folly::EventBase::runInEventBaseThreadAndWait(folly::Function<void ()>) (this=this@entry=0x7f0d13635220, fn=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:673
        ready = {state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 2}, static is_always_lock_free = true}}
#8  0x00000000005ac003 in iterate_all_connections(std::function<void (Connection&)>) (callback=...) at /opt/gcc-10.2.0/include/c++/10.2.0/new:175
        thr = @0x7f0d13635210: {thread_id = 139693448398592, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f397b0}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13635260, prev_ = 0x7f0d13635260}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13635270, prev_ = 0x7f0d13635270}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13635288, prev_ = 0x7f0d13635288}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 198, 
                static tls_lastDeferredReaderSlot = 198, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693448398592}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f4af00}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f45d00}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 6.7021598375987918e-13, buffer_time_ = {__r = 46}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 6.7021598375987918e-13, buffer_time_ = {__r = 46}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 1206160, latestLoopCnt_ = 1206159, 
            startWork_ = {__d = {__r = 15123205054581811}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d136353d8 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13635418, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13635450, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 198, static tls_lastDeferredReaderSlot = 198, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f397c0}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 1, __count = 0, __owner = 35717, __nusers = 1, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = "\001\000\000\000\000\000\000\000\205\213\000\000\001", '\000' <repeats 26 times>, 
                __align = 1}}, <No data fields>}, index = 53, subdoc_op = {m_path = 0x7f0d1351ae00, m_jsn = 0x1ae9a00, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, 
              loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 1, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {
                  c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {_M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f4af40, _M_map_size = 8, _M_start = {
                            _M_cur = 0x7f0d12f4ce00, _M_first = 0x7f0d12f4ce00, _M_last = 0x7f0d12f4d000, _M_node = 0x7f0d12f4af58}, _M_finish = {_M_cur = 0x7f0d12f4ce00, _M_first = 0x7f0d12f4ce00, _M_last = 0x7f0d12f4d000, _M_node = 0x7f0d12f4af58}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, 
          scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, 
              static nxMoveCtor = <optimized out>, datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
        __for_range = @0x1071fd0: {<std::_Vector_base<FrontEndThread, std::allocator<FrontEndThread> >> = {_M_impl = {<std::allocator<FrontEndThread>> = {<__gnu_cxx::new_allocator<FrontEndThread>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread, std::allocator<FrontEndThread> >::_Vector_impl_data> = {_M_start = 0x7f0d1360e000, _M_finish = 0x7f0d1363c830, 
                _M_end_of_storage = 0x7f0d1363c830}, <No data fields>}}, <No data fields>}
#9  0x00000000006231fd in push_cluster_config (version=..., bucketIndex=1) at /opt/gcc-10.2.0/include/c++/10.2.0/new:175
        bucket = @0x10733f0: {mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, cond = {_M_cond = {__data = {__lock = 0, __futex = 0, __total_seq = 0, __wakeup_seq = 0, __woken_seq = 0, __mutex = 0x0, 
                __nwaiters = 0, __broadcast_seq = 0}, __size = '\000' <repeats 47 times>, __align = 0}}, clients = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 18}, static is_always_lock_free = true}, state = {static _S_min_alignment = 1, static _S_alignment = 1, _M_i = Bucket::Ready, static is_always_lock_free = <optimized out>}, 
          items_in_transit = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, type = Couchbase, name = "GleamBookUsers0", '\000' <repeats 85 times>, stats = {<std::_Vector_base<thread_stats, std::allocator<thread_stats> >> = {
              _M_impl = {<std::allocator<thread_stats>> = {<__gnu_cxx::new_allocator<thread_stats>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<thread_stats, std::allocator<thread_stats> >::_Vector_impl_data> = {_M_start = 0x7f0d12f91800, _M_finish = 0x7f0d12f95000, _M_end_of_storage = 0x7f0d12f95000}, <No data fields>}}, <No data fields>}, timings = {lock = {<std::__mutex_base> = {_M_mutex = {
                  __data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, interval_latency_lookups = {intervals = {<cb::RingBufferBase<cb::sampling::Interval, std::array<cb::sampling::Interval, 10> >> = {first = 2, array = {_M_elems = {{count = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, 
                        duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
                            static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, 
                      {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}}}}, <No data fields>}}, interval_latency_mutations = {intervals = {<cb::RingBufferBase<cb::sampling::Interval, std::array<cb::sampling::Interval, 10> >> = {first = 2, array = {_M_elems = {{count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968907}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415652529025}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15969012}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 11415679324950}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968762}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415606641243}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968829}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 11415627540727}, static is_always_lock_free = true}}}}}}, <No data fields>}}, timings = {_M_elems = {{_M_b = {_M_p = 0x7f0cf6c95720}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c93be0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a120cdf40}, static is_always_lock_free = <optimized out>}, {_M_b = {
                    _M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c95660}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 11 times>, {_M_b = {_M_p = 0x7f0cf6cd0b60}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 14 times>, 
                {_M_b = {_M_p = 0x7f08ea5e4160}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 29 times>, {_M_b = {_M_p = 0x7f08c0e0f340}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a12256400}, static is_always_lock_free = <optimized out>}, {
                  _M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 16 times>, {_M_b = {_M_p = 0x7f08ea5e4060}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08eaa73960}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a1193efa0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08eaa73980}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0d135e20a0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a12236920}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a11d7a1a0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a11d7a240}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08ea5e4660}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c92c40}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08ea5e4480}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c956e0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a122369a0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, 
                  static is_always_lock_free = <optimized out>} <repeats 39 times>, {_M_b = {_M_p = 0x7f0a12c69920}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 35 times>, {_M_b = {_M_p = 0x7f08eaa735e0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {
                    _M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08c0df8960}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f089b87ece0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a11685fc0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 67 times>, {_M_b = {_M_p = 0x7f08ea5e4520}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}}}, 
            histogram_mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, interval_counters = {
              coreArray = {<std::_Vector_base<std::array<cb::sampling::Interval, 256>, std::allocator<std::array<cb::sampling::Interval, 256> > >> = {
                  _M_impl = {<std::allocator<std::array<cb::sampling::Interval, 256> >> = {<__gnu_cxx::new_allocator<std::array<cb::sampling::Interval, 256> >> = {<No data fields>}, <No data fields>}, <std::_Vector_base<std::array<cb::sampling::Interval, 256>, std::allocator<std::array<cb::sampling::Interval, 256> > >::_Vector_impl_data> = {_M_start = 0x7f0d16267000, _M_finish = 0x7f0d162af000, 
                      _M_end_of_storage = 0x7f0d162af000}, <No data fields>}}, <No data fields>}}}, subjson_operation_times = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d16264240}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 198, static tls_lastDeferredReaderSlot = 198, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, jsonValidateTimes = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d16264300}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 198, static tls_lastDeferredReaderSlot = 198, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          snappyDecompressionTimes = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d162643c0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 198, static tls_lastDeferredReaderSlot = 198, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, responseCounters = {_M_elems = {{
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 18417665}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 6}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 291}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}} <repeats 126 times>, {
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 484132}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}} <repeats 81 times>}}, clusterConfiguration = {
            config = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<ClusterConfiguration::Configuration, std::default_delete<ClusterConfiguration::Configuration> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {
                _M_t = {<std::__uniq_ptr_impl<ClusterConfiguration::Configuration, std::default_delete<ClusterConfiguration::Configuration> >> = {
                    _M_t = {<std::_Tuple_impl<0, ClusterConfiguration::Configuration*, std::default_delete<ClusterConfiguration::Configuration> >> = {<std::_Tuple_impl<1, std::default_delete<ClusterConfiguration::Configuration> >> = {<std::_Head_base<1, std::default_delete<ClusterConfiguration::Configuration>, true>> = {<std::default_delete<ClusterConfiguration::Configuration>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, ClusterConfiguration::Configuration*, false>> = {_M_head_impl = 0x7f08c0e05490}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, 
                    __align = 0}}, <No data fields>}}}, max_document_size = 20971520, supportedFeatures = {
            _M_h = {<std::__detail::_Hashtable_base<cb::engine::Feature, cb::engine::Feature, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, true, true> >> = {<std::__detail::_Hash_code_base<cb::engine::Feature, cb::engine::Feature, std::__detail::_Identity, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<cb::engine::Feature>, true>> = {<std::hash<cb::engine::Feature>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<cb::engine::Feature>, true>> = {<std::equal_to<cb::engine::Feature>> = {<std::binary_function<cb::engine::Feature, cb::engine::Feature, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, true>> = {<std::__detail::_Insert_base<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<cb::engine::Feature, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<cb::engine::Feature, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<cb::engine::Feature, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<cb::engine::Feature, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, 
              _M_buckets = 0x7f0a116fa220, _M_bucket_count = 13, _M_before_begin = {_M_nxt = 0x7f0a120cdd00}, _M_element_count = 1, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 13}, _M_single_bucket = 0x0}}, engine = {_M_t = {<std::__uniq_ptr_impl<EngineIface, EngineDeletor>> = {
                _M_t = {<std::_Tuple_impl<0, EngineIface*, EngineDeletor>> = {<std::_Tuple_impl<1, EngineDeletor>> = {<std::_Head_base<1, EngineDeletor, false>> = {_M_head_impl = {force = false}}, <No data fields>}, <std::_Head_base<0, EngineIface*, false>> = {_M_head_impl = 0x7f0d10000000}, <No data fields>}, <No data fields>}}, <No data fields>}}, bucketDcp = 0x7f0d10000008}
        isAlive = <optimized out>
#10 operator() (__closure=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/protocol/mcbp/cluster_config_executor.cc:275
        version = <optimized out>
        bucketIndex = <optimized out>
#11 __invoke_impl<void, set_cluster_config_executor(Cookie&)::<lambda()>&> (__f=...) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/invoke.h:60
No locals.
#12 __invoke_r<void, set_cluster_config_executor(Cookie&)::<lambda()>&> (__fn=...) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/invoke.h:110
No locals.
#13 std::_Function_handler<void (), set_cluster_config_executor(Cookie&)::{lambda()#4}>::_M_invoke(std::_Any_data const&) () at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:291
No locals.
#14 0x0000000000625494 in operator() (this=0x7f0cf6c80ec8) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
No locals.
#15 OneShotTask::run (this=0x7f0cf6c80e50) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/one_shot_task.h:50
No locals.
#16 0x0000000000a9eeb2 in GlobalTask::execute() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/globaltask.cc:68
        guard = {previous = 0x0}
#17 0x0000000000a9c0c5 in FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}::operator()() const (__closure=0x7f0a2d7e8840) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:189
        scheduleOverhead = <optimized out>
        start = {__d = {__r = 15123222119974346}}
        runAgain = false
        proxy = @0x7f0cf6c84340: {<folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >::Callback> = {<boost::intrusive::list_base_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)2> >> = {<boost::intrusive::generic_hook<(boost::intrusive::algo_types)0, boost::intrusive::list_node_traits<void*>, boost::intrusive::dft_tag, (boost::intrusive::link_mode_type)2, (boost::intrusive::base_hook_type)1>> = {<boost::intrusive::node_holder<boost::intrusive::list_node<void*>, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::list_node<void*>> = {next_ = 0x0, 
                    prev_ = 0x0}, <No data fields>}, <boost::intrusive::hook_tags_definer<boost::intrusive::generic_hook<(boost::intrusive::algo_types)0, boost::intrusive::list_node_traits<void*>, boost::intrusive::dft_tag, (boost::intrusive::link_mode_type)2, (boost::intrusive::base_hook_type)1>, 1>> = {<No data fields>}, <No data fields>}, <No data fields>}, 
            _vptr.Callback = 0xca2b48 <vtable for FollyExecutorPool::TaskProxy+16>, wheel_ = 0x0, expiration_ = {__d = {__r = 0}}, bucket_ = -1, requestContext_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, 
          task = {<std::__shared_ptr<GlobalTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<GlobalTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0cf6c80e50, _M_refcount = {_M_pi = 0x7f0cf6c80e40}}, <No data fields>}, taskId = 4542, scheduledOnCpuPool = true, executor = @0x7f0d13dfea00, cpuPool = @0x7f0cf6936c00}
#18 0x0000000000bf0c60 in operator() (this=0x7f0a2d7e8840) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
        fn = @0x7f0a2d7e8840: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6c84340, tiny = {__data = "@C\310\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000,\214\000\000\000\000\000\000\b\005\000\000\000\000\000\000\020\211~-\n\177\000", __align = {<No data fields>}}}, 
          call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}
#19 folly::ThreadPoolExecutor::runTask(std::shared_ptr<folly::ThreadPoolExecutor::Thread> const&, folly::ThreadPoolExecutor::Task&&) (this=this@entry=0x7f0cf6936c00, thread=..., task=task@entry=<unknown type in /usr/lib/debug/opt/couchbase/bin/memcached-7.1.0-1817.x86_64.debug, CU 0xa120c30, DIE 0xa1a4b65>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/ThreadPoolExecutor.cpp:97
        rctx = {prev_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}
        startTime = {__d = {__r = 15123222119972665}}
        stats = {expired = false, waitTime = {__r = 55051}, runTime = {__r = 0}, enqueueTime = {__d = {__r = 15123222119917614}}, requestId = 0}
#20 0x0000000000bd8a1a in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0cf6936c00, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:265
        task = {storage_ = {{emptyState = 64 '@', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6c84340, tiny = {__data = "@C\310\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000,\214\000\000\000\000\000\000\b\005\000\000\000\000\000\000\020\211~-\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123222119917614}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c2c, tiny = {__data = ",\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000p\252}\371\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 0}}, hasValue = true}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#21 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#22 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#23 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#24 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#25 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#26 0x0000000000a9bd54 in operator() (this=0x7f0cf6bbbec0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0cf6bbbec0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19500, tiny = {__data = "\000\225\261\366\f\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#27 operator() (__closure=0x7f0cf6bbbec0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a2d7e89a0 "NonIoPool5"}, _M_string_length = 10, {_M_local_buf = "NonIoPool5\000\000\000\000\000", _M_allocated_capacity = 8029725099528449870}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19500, tiny = {__data = "\000\225\261\366\f\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#28 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0cf6bbbec0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19500, tiny = {__data = "\000\225\261\366\f\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#29 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#30 0x00007f0d18faeea5 in start_thread (arg=0x7f0a2d7fa700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0a2d7fa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139681689741056, -4771262700614340274, 0, 8392704, 0, 139681689741056, 4890147402537742670, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#31 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 45 (Thread 0x7f0a2cff9700 (LWP 35885)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=<optimized out>, absSteadyTime=absSteadyTime@entry=0x0, absSystemTime=absSystemTime@entry=0x0, expected=<optimized out>, addr=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15123227, tv_nsec = 992205456}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=<optimized out>, expected=<optimized out>, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x0, waitMask=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda819 in folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0a2cfe710c, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 9223372036854775807}}
#4  0x0000000000bf46cd in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#5  folly::Baton<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0a2cfe710c, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/Baton.h:308
        expected = <optimized out>
#6  0x0000000000bf947f in wait (opt=..., this=0x7f0a2cfe710c) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/Baton.h:178
        deadline = {__d = {__r = 9223372036854775807}}
#7  folly::EventBase::runInEventBaseThreadAndWait(folly::Function<void ()>) (this=this@entry=0x7f0d13635220, fn=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:673
        ready = {state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 2}, static is_always_lock_free = true}}
#8  0x00000000005ac003 in iterate_all_connections(std::function<void (Connection&)>) (callback=...) at /opt/gcc-10.2.0/include/c++/10.2.0/new:175
        thr = @0x7f0d13635210: {thread_id = 139693448398592, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f397b0}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13635260, prev_ = 0x7f0d13635260}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13635270, prev_ = 0x7f0d13635270}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13635288, prev_ = 0x7f0d13635288}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 199, 
                static tls_lastDeferredReaderSlot = 199, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, 
              _M_i = {_M_thread = 139693448398592}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f4af00}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f45d00}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 6.7021598375987918e-13, buffer_time_ = {__r = 46}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 6.7021598375987918e-13, buffer_time_ = {__r = 46}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 1206160, latestLoopCnt_ = 1206159, 
            startWork_ = {__d = {__r = 15123205054581811}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d136353d8 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13635418, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13635450, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 199, static tls_lastDeferredReaderSlot = 199, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f397c0}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 1, __count = 0, __owner = 35717, __nusers = 1, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = "\001\000\000\000\000\000\000\000\205\213\000\000\001", '\000' <repeats 26 times>, 
                __align = 1}}, <No data fields>}, index = 53, subdoc_op = {m_path = 0x7f0d1351ae00, m_jsn = 0x1ae9a00, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, 
              loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 1, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {
                  c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {_M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f4af40, _M_map_size = 8, _M_start = {
                            _M_cur = 0x7f0d12f4ce00, _M_first = 0x7f0d12f4ce00, _M_last = 0x7f0d12f4d000, _M_node = 0x7f0d12f4af58}, _M_finish = {_M_cur = 0x7f0d12f4ce00, _M_first = 0x7f0d12f4ce00, _M_last = 0x7f0d12f4d000, _M_node = 0x7f0d12f4af58}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, 
          scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, 
              static nxMoveCtor = <optimized out>, datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
        __for_range = @0x1071fd0: {<std::_Vector_base<FrontEndThread, std::allocator<FrontEndThread> >> = {_M_impl = {<std::allocator<FrontEndThread>> = {<__gnu_cxx::new_allocator<FrontEndThread>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread, std::allocator<FrontEndThread> >::_Vector_impl_data> = {_M_start = 0x7f0d1360e000, _M_finish = 0x7f0d1363c830, 
                _M_end_of_storage = 0x7f0d1363c830}, <No data fields>}}, <No data fields>}
#9  0x00000000006231fd in push_cluster_config (version=..., bucketIndex=1) at /opt/gcc-10.2.0/include/c++/10.2.0/new:175
        bucket = @0x10733f0: {mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, cond = {_M_cond = {__data = {__lock = 0, __futex = 0, __total_seq = 0, __wakeup_seq = 0, __woken_seq = 0, __mutex = 0x0, 
                __nwaiters = 0, __broadcast_seq = 0}, __size = '\000' <repeats 47 times>, __align = 0}}, clients = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 18}, static is_always_lock_free = true}, state = {static _S_min_alignment = 1, static _S_alignment = 1, _M_i = Bucket::Ready, static is_always_lock_free = <optimized out>}, 
          items_in_transit = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, type = Couchbase, name = "GleamBookUsers0", '\000' <repeats 85 times>, stats = {<std::_Vector_base<thread_stats, std::allocator<thread_stats> >> = {
              _M_impl = {<std::allocator<thread_stats>> = {<__gnu_cxx::new_allocator<thread_stats>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<thread_stats, std::allocator<thread_stats> >::_Vector_impl_data> = {_M_start = 0x7f0d12f91800, _M_finish = 0x7f0d12f95000, _M_end_of_storage = 0x7f0d12f95000}, <No data fields>}}, <No data fields>}, timings = {lock = {<std::__mutex_base> = {_M_mutex = {
                  __data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, interval_latency_lookups = {intervals = {<cb::RingBufferBase<cb::sampling::Interval, std::array<cb::sampling::Interval, 10> >> = {first = 2, array = {_M_elems = {{count = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, 
                        duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
                            static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, 
                      {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}}}}, <No data fields>}}, interval_latency_mutations = {intervals = {<cb::RingBufferBase<cb::sampling::Interval, std::array<cb::sampling::Interval, 10> >> = {first = 2, array = {_M_elems = {{count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968907}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415652529025}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15969012}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 11415679324950}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968762}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415606641243}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968829}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 11415627540727}, static is_always_lock_free = true}}}}}}, <No data fields>}}, timings = {_M_elems = {{_M_b = {_M_p = 0x7f0cf6c95720}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c93be0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a120cdf40}, static is_always_lock_free = <optimized out>}, {_M_b = {
                    _M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c95660}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 11 times>, {_M_b = {_M_p = 0x7f0cf6cd0b60}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 14 times>, 
                {_M_b = {_M_p = 0x7f08ea5e4160}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 29 times>, {_M_b = {_M_p = 0x7f08c0e0f340}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a12256400}, static is_always_lock_free = <optimized out>}, {
                  _M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 16 times>, {_M_b = {_M_p = 0x7f08ea5e4060}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08eaa73960}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a1193efa0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08eaa73980}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0d135e20a0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a12236920}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a11d7a1a0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a11d7a240}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08ea5e4660}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c92c40}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08ea5e4480}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c956e0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a122369a0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, 
                  static is_always_lock_free = <optimized out>} <repeats 39 times>, {_M_b = {_M_p = 0x7f0a12c69920}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 35 times>, {_M_b = {_M_p = 0x7f08eaa735e0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {
                    _M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08c0df8960}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f089b87ece0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a11685fc0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 67 times>, {_M_b = {_M_p = 0x7f08ea5e4520}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}}}, 
            histogram_mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, interval_counters = {
              coreArray = {<std::_Vector_base<std::array<cb::sampling::Interval, 256>, std::allocator<std::array<cb::sampling::Interval, 256> > >> = {
                  _M_impl = {<std::allocator<std::array<cb::sampling::Interval, 256> >> = {<__gnu_cxx::new_allocator<std::array<cb::sampling::Interval, 256> >> = {<No data fields>}, <No data fields>}, <std::_Vector_base<std::array<cb::sampling::Interval, 256>, std::allocator<std::array<cb::sampling::Interval, 256> > >::_Vector_impl_data> = {_M_start = 0x7f0d16267000, _M_finish = 0x7f0d162af000, 
                      _M_end_of_storage = 0x7f0d162af000}, <No data fields>}}, <No data fields>}}}, subjson_operation_times = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d16264240}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 199, static tls_lastDeferredReaderSlot = 199, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, jsonValidateTimes = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d16264300}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 199, static tls_lastDeferredReaderSlot = 199, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          snappyDecompressionTimes = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d162643c0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 199, static tls_lastDeferredReaderSlot = 199, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, responseCounters = {_M_elems = {{
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 18417665}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 6}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 291}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}} <repeats 126 times>, {
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 484132}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}} <repeats 81 times>}}, clusterConfiguration = {
            config = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<ClusterConfiguration::Configuration, std::default_delete<ClusterConfiguration::Configuration> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {
                _M_t = {<std::__uniq_ptr_impl<ClusterConfiguration::Configuration, std::default_delete<ClusterConfiguration::Configuration> >> = {
                    _M_t = {<std::_Tuple_impl<0, ClusterConfiguration::Configuration*, std::default_delete<ClusterConfiguration::Configuration> >> = {<std::_Tuple_impl<1, std::default_delete<ClusterConfiguration::Configuration> >> = {<std::_Head_base<1, std::default_delete<ClusterConfiguration::Configuration>, true>> = {<std::default_delete<ClusterConfiguration::Configuration>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, ClusterConfiguration::Configuration*, false>> = {_M_head_impl = 0x7f08c0e05490}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, 
                    __align = 0}}, <No data fields>}}}, max_document_size = 20971520, supportedFeatures = {
            _M_h = {<std::__detail::_Hashtable_base<cb::engine::Feature, cb::engine::Feature, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, true, true> >> = {<std::__detail::_Hash_code_base<cb::engine::Feature, cb::engine::Feature, std::__detail::_Identity, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<cb::engine::Feature>, true>> = {<std::hash<cb::engine::Feature>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<cb::engine::Feature>, true>> = {<std::equal_to<cb::engine::Feature>> = {<std::binary_function<cb::engine::Feature, cb::engine::Feature, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, true>> = {<std::__detail::_Insert_base<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<cb::engine::Feature, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<cb::engine::Feature, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<cb::engine::Feature, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<cb::engine::Feature, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, 
              _M_buckets = 0x7f0a116fa220, _M_bucket_count = 13, _M_before_begin = {_M_nxt = 0x7f0a120cdd00}, _M_element_count = 1, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 13}, _M_single_bucket = 0x0}}, engine = {_M_t = {<std::__uniq_ptr_impl<EngineIface, EngineDeletor>> = {
                _M_t = {<std::_Tuple_impl<0, EngineIface*, EngineDeletor>> = {<std::_Tuple_impl<1, EngineDeletor>> = {<std::_Head_base<1, EngineDeletor, false>> = {_M_head_impl = {force = false}}, <No data fields>}, <std::_Head_base<0, EngineIface*, false>> = {_M_head_impl = 0x7f0d10000000}, <No data fields>}, <No data fields>}}, <No data fields>}}, bucketDcp = 0x7f0d10000008}
        isAlive = <optimized out>
#10 operator() (__closure=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/protocol/mcbp/cluster_config_executor.cc:275
        version = <optimized out>
        bucketIndex = <optimized out>
#11 __invoke_impl<void, set_cluster_config_executor(Cookie&)::<lambda()>&> (__f=...) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/invoke.h:60
No locals.
#12 __invoke_r<void, set_cluster_config_executor(Cookie&)::<lambda()>&> (__fn=...) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/invoke.h:110
No locals.
#13 std::_Function_handler<void (), set_cluster_config_executor(Cookie&)::{lambda()#4}>::_M_invoke(std::_Any_data const&) () at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:291
No locals.
#14 0x0000000000625494 in operator() (this=0x7f0cf6c811c8) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
No locals.
#15 OneShotTask::run (this=0x7f0cf6c81150) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/one_shot_task.h:50
No locals.
#16 0x0000000000a9eeb2 in GlobalTask::execute() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/globaltask.cc:68
        guard = {previous = 0x0}
#17 0x0000000000a9c0c5 in FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}::operator()() const (__closure=0x7f0a2cfe7840) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:189
        scheduleOverhead = <optimized out>
        start = {__d = {__r = 15123222380619048}}
        runAgain = false
        proxy = @0x7f0cf6c84a40: {<folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >::Callback> = {<boost::intrusive::list_base_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)2> >> = {<boost::intrusive::generic_hook<(boost::intrusive::algo_types)0, boost::intrusive::list_node_traits<void*>, boost::intrusive::dft_tag, (boost::intrusive::link_mode_type)2, (boost::intrusive::base_hook_type)1>> = {<boost::intrusive::node_holder<boost::intrusive::list_node<void*>, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::list_node<void*>> = {next_ = 0x0, 
                    prev_ = 0x0}, <No data fields>}, <boost::intrusive::hook_tags_definer<boost::intrusive::generic_hook<(boost::intrusive::algo_types)0, boost::intrusive::list_node_traits<void*>, boost::intrusive::dft_tag, (boost::intrusive::link_mode_type)2, (boost::intrusive::base_hook_type)1>, 1>> = {<No data fields>}, <No data fields>}, <No data fields>}, 
            _vptr.Callback = 0xca2b48 <vtable for FollyExecutorPool::TaskProxy+16>, wheel_ = 0x0, expiration_ = {__d = {__r = 0}}, bucket_ = -1, requestContext_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, 
          task = {<std::__shared_ptr<GlobalTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<GlobalTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0cf6c81150, _M_refcount = {_M_pi = 0x7f0cf6c81140}}, <No data fields>}, taskId = 4544, scheduledOnCpuPool = true, executor = @0x7f0d13dfea00, cpuPool = @0x7f0cf6936c00}
#18 0x0000000000bf0c60 in operator() (this=0x7f0a2cfe7840) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
        fn = @0x7f0a2cfe7840: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6c84a40, tiny = {__data = "@J\310\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000-\214\000\000\000\000\000\000\020\005\000\000\000\000\000\000\020y\376,\n\177\000", __align = {<No data fields>}}}, 
          call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}
#19 folly::ThreadPoolExecutor::runTask(std::shared_ptr<folly::ThreadPoolExecutor::Thread> const&, folly::ThreadPoolExecutor::Task&&) (this=this@entry=0x7f0cf6936c00, thread=..., task=task@entry=<unknown type in /usr/lib/debug/opt/couchbase/bin/memcached-7.1.0-1817.x86_64.debug, CU 0xa120c30, DIE 0xa1a4b65>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/ThreadPoolExecutor.cpp:97
        rctx = {prev_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}
        startTime = {__d = {__r = 15123222380617572}}
        stats = {expired = false, waitTime = {__r = 17068}, runTime = {__r = 0}, enqueueTime = {__d = {__r = 15123222380600504}}, requestId = 0}
#20 0x0000000000bd8a1a in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0cf6936c00, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:265
        task = {storage_ = {{emptyState = 64 '@', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6c84a40, tiny = {__data = "@J\310\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000-\214\000\000\000\000\000\000\020\005\000\000\000\000\000\000\020y\376,\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123222380600504}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c2d, tiny = {__data = "-\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000pZ\335\350\f\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 0}}, hasValue = true}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#21 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#22 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#23 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#24 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#25 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#26 0x0000000000a9bd54 in operator() (this=0x7f0cf6bbbf80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0cf6bbbf80: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19530, tiny = {__data = "0\225\261\366\f\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#27 operator() (__closure=0x7f0cf6bbbf80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a2cfe79a0 "NonIoPool6"}, _M_string_length = 10, {_M_local_buf = "NonIoPool6\000\000\000\000\000", _M_allocated_capacity = 8029725099528449870}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19530, tiny = {__data = "0\225\261\366\f\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#28 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0cf6bbbf80: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19530, tiny = {__data = "0\225\261\366\f\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#29 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#30 0x00007f0d18faeea5 in start_thread (arg=0x7f0a2cff9700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0a2cff9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139681681348352, -4771262700614340274, 0, 8392704, 0, 139681681348352, 4890144101318504782, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#31 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 44 (Thread 0x7f0a13fff700 (LWP 35886)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
No locals.
#1  0x0000000000bd073d in nativeFutexWaitImpl (waitMask=<optimized out>, absSteadyTime=absSteadyTime@entry=0x0, absSystemTime=absSystemTime@entry=0x0, expected=<optimized out>, addr=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:123
        op = <optimized out>
        ts = {tv_sec = 15123229, tv_nsec = 777843392}
        timeout = <optimized out>
        rv = <optimized out>
#2  folly::detail::futexWaitImpl (futex=<optimized out>, expected=<optimized out>, absSystemTime=absSystemTime@entry=0x0, absSteadyTime=absSteadyTime@entry=0x0, waitMask=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex.cpp:254
No locals.
#3  0x0000000000bda819 in folly::detail::futexWaitUntil<std::atomic<unsigned int>, std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (futex=futex@entry=0x7f0a13fed10c, expected=expected@entry=2, deadline=..., waitMask=waitMask@entry=4294967295)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/Futex-inl.h:123
        converted = {__d = {__r = 9223372036854775807}}
#4  0x0000000000bf46cd in futexWaitUntil<std::atomic<unsigned int>, std::chrono::time_point<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > > (timeoutVariationFrac=0.5, stackToRetain=1024, idleTimeout=..., waitMask=4294967295, deadline=..., expected=2, fut=...)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/detail/MemoryIdler.h:164
No locals.
#5  folly::Baton<true, std::atomic>::tryWaitSlow<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1l, 1000000000l> > > (this=this@entry=0x7f0a13fed10c, deadline=..., opt=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/Baton.h:308
        expected = <optimized out>
#6  0x0000000000bf947f in wait (opt=..., this=0x7f0a13fed10c) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/synchronization/Baton.h:178
        deadline = {__d = {__r = 9223372036854775807}}
#7  folly::EventBase::runInEventBaseThreadAndWait(folly::Function<void ()>) (this=this@entry=0x7f0d13635220, fn=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:673
        ready = {state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 2}, static is_always_lock_free = true}}
#8  0x00000000005ac003 in iterate_all_connections(std::function<void (Connection&)>) (callback=...) at /opt/gcc-10.2.0/include/c++/10.2.0/new:175
        thr = @0x7f0d13635210: {thread_id = 139693448398592, eventBase = {<folly::TimeoutManager> = {_vptr.TimeoutManager = 0x106cda0 <vtable for folly::EventBase+24>, cobTimeouts_ = {_M_t = {
                  _M_t = {<std::_Tuple_impl<0, folly::TimeoutManager::CobTimeouts*, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Tuple_impl<1, std::default_delete<folly::TimeoutManager::CobTimeouts> >> = {<std::_Head_base<1, std::default_delete<folly::TimeoutManager::CobTimeouts>, true>> = {<std::default_delete<folly::TimeoutManager::CobTimeouts>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::TimeoutManager::CobTimeouts*, false>> = {_M_head_impl = 0x7f0d12f397b0}, <No data fields>}, <No data fields>}}}}, <folly::DrivableExecutor> = {<folly::Executor> = {_vptr.Executor = 0x106ce60 <vtable for folly::EventBase+216>, static LO_PRI = -128 '\200', static MID_PRI = 0 '\000', 
                static HI_PRI = 127 '\177'}, <No data fields>}, <folly::IOExecutor> = {<No data fields>}, <folly::SequencedExecutor> = {<No data fields>}, <folly::ScheduledExecutor> = {<No data fields>}, intervalDuration_ = {__r = 10}, wheelTimer_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, folly::DelayedDestruction::Destructor>> = {<std::_Tuple_impl<1, folly::DelayedDestruction::Destructor>> = {<std::_Head_base<1, folly::DelayedDestruction::Destructor, true>> = {<folly::DelayedDestruction::Destructor> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, loopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {
                static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = true, 
                data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, static link_mode = boost::intrusive::auto_unlink}, 
                  root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13635260, prev_ = 0x7f0d13635260}, <No data fields>}}}}, <No data fields>}, 
            runBeforeLoopCallbacks_ = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
                static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                    static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13635270, prev_ = 0x7f0d13635270}, <No data fields>}}}}, <No data fields>}, 
            onDestructionCallbacks_ = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, 
              static nxCopyCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxCopyCtor".>, 
              static nxMoveCtor = <error reading variable: No global symbol "folly::Synchronized<boost::intrusive::list<folly::EventBase::OnDestructionCallback, boost::intrusive::member_hook<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_> >, folly::SharedMutexImpl<false, void, std::atomic, false, false> >::nxMoveCtor".>, datum_ = {<boost::intrusive::list_impl<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>, unsigned long, true, void>> = {static constant_time_size = true, 
                  static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, static safemode_or_autounlink = false, data_ = {<boost::intrusive::mhtraits<folly::EventBase::OnDestructionCallback, boost::intrusive::list_member_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)0> >, &folly::EventBase::OnDestructionCallback::listHook_>> = {
                      static link_mode = boost::intrusive::normal_link}, root_plus_size_ = {<boost::intrusive::detail::size_holder<true, unsigned long, void>> = {static constant_time_size = <optimized out>, size_ = 0}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0d13635288, prev_ = 0x7f0d13635288}, <No data fields>}}}}, <No data fields>}, mutex_ = {static kReaderPriority = false, 
                state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, 
                static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 10, 
                static tls_lastDeferredReaderSlot = 10, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, runOnceCallbacks_ = 0x0, stop_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, loopThread_ = {static _S_min_alignment = 8, static _S_alignment = 8, _M_i = {
                _M_thread = 139693448398592}, static is_always_lock_free = <error reading variable: No global symbol "std::atomic<std::thread::id>::is_always_lock_free".>}, queue_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::NotificationQueue<folly::Function<void()> >*, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Tuple_impl<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > > >> = {<std::_Head_base<1, std::default_delete<folly::NotificationQueue<folly::Function<void()> > >, true>> = {<std::default_delete<folly::NotificationQueue<folly::Function<void()> > >> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::NotificationQueue<folly::Function<void()> >*, false>> = {_M_head_impl = 0x7f0d12f4af00}, <No data fields>}, <No data fields>}}}, fnRunner_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBase::FunctionRunner*, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBase::FunctionRunner> >> = {<std::_Head_base<1, std::default_delete<folly::EventBase::FunctionRunner>, true>> = {<std::default_delete<folly::EventBase::FunctionRunner>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBase::FunctionRunner*, false>> = {_M_head_impl = 0x7f0d12f45d00}, <No data fields>}, <No data fields>}}}, loopKeepAliveCount_ = 1, loopKeepAliveCountAtomic_ = {<std::__atomic_base<long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}, loopKeepAliveActive_ = true, maxLatency_ = {__r = 0}, avgLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, 
              value_ = 6.7021598375987918e-13, buffer_time_ = {__r = 46}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, maxLatencyLoopTime_ = {expCoeff_ = -4.9999999999999998e-07, value_ = 6.7021598375987918e-13, buffer_time_ = {__r = 46}, busy_buffer_ = {__r = 0}, buffer_cnt_ = 1, static buffer_interval_ = {__r = 10}}, 
            maxLatencyCob_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x0, tiny = {__data = '\000' <repeats 47 times>, __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, enableTimeMeasurement_ = true, nextLoopCnt_ = 1206160, latestLoopCnt_ = 1206159, 
            startWork_ = {__d = {__r = 15123205054581811}}, invokingLoop_ = true, observer_ = {<std::__shared_ptr<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::EventBaseObserver, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}, observerSampleCount_ = 0, executionObserver_ = 0x0, name_ = {
              static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d136353d8 ""}, _M_string_length = 0, {_M_local_buf = '\000' <repeats 15 times>, _M_allocated_capacity = 0}}, localStorage_ = {
              _M_h = {<std::__detail::_Hashtable_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, false, true> >> = {<std::__detail::_Hash_code_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::__detail::_Select1st, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Select1st, true>> = {<std::__detail::_Select1st> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<unsigned long>, true>> = {<std::hash<unsigned long>> = {<std::__hash_base<unsigned long, unsigned long>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<unsigned long>, true>> = {<std::equal_to<unsigned long>> = {<std::binary_function<unsigned long, unsigned long, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Insert<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, false>> = {<std::__detail::_Insert_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<unsigned long, std::pair<unsigned long const, std::shared_ptr<void> >, std::allocator<std::pair<unsigned long const, std::shared_ptr<void> > >, std::__detail::_Select1st, std::equal_to<unsigned long>, std::hash<unsigned long>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, false, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<std::pair<unsigned long const, std::shared_ptr<void> >, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13635418, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, localStorageToDtor_ = {
              _M_h = {<std::__detail::_Hashtable_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<false, true, true> >> = {<std::__detail::_Hash_code_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::__detail::_Identity, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, false>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::hash<folly::detail::EventBaseLocalBaseBase*>> = {<std::__hash_base<unsigned long, folly::detail::EventBaseLocalBaseBase*>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, true>> = {<std::equal_to<folly::detail::EventBaseLocalBaseBase*>> = {<std::binary_function<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<std::__detail::_Insert_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<folly::detail::EventBaseLocalBaseBase*, folly::detail::EventBaseLocalBaseBase*, std::allocator<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Identity, std::equal_to<folly::detail::EventBaseLocalBaseBase*>, std::hash<folly::detail::EventBaseLocalBaseBase*>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<false, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >, true>> = {<std::allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<folly::detail::EventBaseLocalBaseBase*, false> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, _M_buckets = 0x7f0d13635450, _M_bucket_count = 1, _M_before_begin = {_M_nxt = 0x0}, _M_element_count = 0, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 0}, _M_single_bucket = 0x0}}, virtualEventBaseInitFlag_ = {called_ = {_M_base = {static _S_alignment = 1, _M_i = false}, static is_always_lock_free = true}, 
              mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, 
                static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, 
                static kTokenless = 1, static tls_lastTokenlessSlot = 10, static tls_lastDeferredReaderSlot = 10, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}, virtualEventBase_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::VirtualEventBase*, std::default_delete<folly::VirtualEventBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::VirtualEventBase> >> = {<std::_Head_base<1, std::default_delete<folly::VirtualEventBase>, true>> = {<std::default_delete<folly::VirtualEventBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::VirtualEventBase*, false>> = {_M_head_impl = 0x0}, <No data fields>}, <No data fields>}}}, evb_ = {_M_t = {
                _M_t = {<std::_Tuple_impl<0, folly::EventBaseBackendBase*, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Tuple_impl<1, std::default_delete<folly::EventBaseBackendBase> >> = {<std::_Head_base<1, std::default_delete<folly::EventBaseBackendBase>, true>> = {<std::default_delete<folly::EventBaseBackendBase>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::EventBaseBackendBase*, false>> = {_M_head_impl = 0x7f0d12f397c0}, <No data fields>}, <No data fields>}}}}, mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 1, __count = 0, __owner = 35717, __nusers = 1, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = "\001\000\000\000\000\000\000\000\205\213\000\000\001", '\000' <repeats 26 times>, 
                __align = 1}}, <No data fields>}, index = 53, subdoc_op = {m_path = 0x7f0d1351ae00, m_jsn = 0x1ae9a00, m_match = {type = 0, status = 0, matchres = 0, sflags = 0, match_level = 0, position = 0, num_siblings = 0, num_children = 0, immediate_parent_found = 0 '\000', get_last = 0 '\000', extra_options = Subdoc::Match::GET_MATCH_ONLY, unique_item_found = 0 '\000', loc_deepest = {at = 0x0, length = 0}, 
              loc_key = {at = 0x0, length = 0}, ensure_unique = {at = 0x0, length = 0}}, m_optype = {code = 0 '\000'}, m_doc = {at = 0x0, length = 0}, m_userval = {at = 0x0, length = 0}, m_result = 0x0}, validator = {instance = {state = 1, stack = {<std::stack<JSON_checker::Modes, std::deque<JSON_checker::Modes, std::allocator<JSON_checker::Modes> > >> = {
                  c = {<std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >> = {_M_impl = {<std::allocator<JSON_checker::Modes>> = {<__gnu_cxx::new_allocator<JSON_checker::Modes>> = {<No data fields>}, <No data fields>}, <std::_Deque_base<JSON_checker::Modes, std::allocator<JSON_checker::Modes> >::_Deque_impl_data> = {_M_map = 0x7f0d12f4af40, _M_map_size = 8, _M_start = {
                            _M_cur = 0x7f0d12f4ce00, _M_first = 0x7f0d12f4ce00, _M_last = 0x7f0d12f4d000, _M_node = 0x7f0d12f4af58}, _M_finish = {_M_cur = 0x7f0d12f4ce00, _M_first = 0x7f0d12f4ce00, _M_last = 0x7f0d12f4d000, _M_node = 0x7f0d12f4af58}}, <No data fields>}}, <No data fields>}}, <No data fields>}}}, running = {_M_base = {static _S_alignment = 1, _M_i = true}, static is_always_lock_free = true}, 
          scratch_buffer = {_M_elems = '\000' <repeats 2047 times>}, shutdown_next_log = 0, new_conn_queue = {connections = {<folly::SynchronizedBase<folly::Synchronized<std::vector<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, 
              static nxMoveCtor = <optimized out>, datum_ = {<std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >> = {
                  _M_impl = {<std::allocator<FrontEndThread::ConnectionQueue::Entry>> = {<__gnu_cxx::new_allocator<FrontEndThread::ConnectionQueue::Entry>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread::ConnectionQueue::Entry, std::allocator<FrontEndThread::ConnectionQueue::Entry> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, 
                      _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}}}}
        __for_range = @0x1071fd0: {<std::_Vector_base<FrontEndThread, std::allocator<FrontEndThread> >> = {_M_impl = {<std::allocator<FrontEndThread>> = {<__gnu_cxx::new_allocator<FrontEndThread>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<FrontEndThread, std::allocator<FrontEndThread> >::_Vector_impl_data> = {_M_start = 0x7f0d1360e000, _M_finish = 0x7f0d1363c830, 
                _M_end_of_storage = 0x7f0d1363c830}, <No data fields>}}, <No data fields>}
#9  0x00000000006231fd in push_cluster_config (version=..., bucketIndex=1) at /opt/gcc-10.2.0/include/c++/10.2.0/new:175
        bucket = @0x10733f0: {mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, cond = {_M_cond = {__data = {__lock = 0, __futex = 0, __total_seq = 0, __wakeup_seq = 0, __woken_seq = 0, __mutex = 0x0, 
                __nwaiters = 0, __broadcast_seq = 0}, __size = '\000' <repeats 47 times>, __align = 0}}, clients = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 18}, static is_always_lock_free = true}, state = {static _S_min_alignment = 1, static _S_alignment = 1, _M_i = Bucket::Ready, static is_always_lock_free = <optimized out>}, 
          items_in_transit = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, type = Couchbase, name = "GleamBookUsers0", '\000' <repeats 85 times>, stats = {<std::_Vector_base<thread_stats, std::allocator<thread_stats> >> = {
              _M_impl = {<std::allocator<thread_stats>> = {<__gnu_cxx::new_allocator<thread_stats>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<thread_stats, std::allocator<thread_stats> >::_Vector_impl_data> = {_M_start = 0x7f0d12f91800, _M_finish = 0x7f0d12f95000, _M_end_of_storage = 0x7f0d12f95000}, <No data fields>}}, <No data fields>}, timings = {lock = {<std::__mutex_base> = {_M_mutex = {
                  __data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, interval_latency_lookups = {intervals = {<cb::RingBufferBase<cb::sampling::Interval, std::array<cb::sampling::Interval, 10> >> = {first = 2, array = {_M_elems = {{count = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, 
                        duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
                            static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, 
                      {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}}}}}, <No data fields>}}, interval_latency_mutations = {intervals = {<cb::RingBufferBase<cb::sampling::Interval, std::array<cb::sampling::Interval, 10> >> = {first = 2, array = {_M_elems = {{count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968907}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415652529025}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15969012}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 11415679324950}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {
                          value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968712}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415588925500}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968762}, 
                            static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 11415606641243}, static is_always_lock_free = true}}}, {count = {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 15968829}, static is_always_lock_free = true}}, duration_ns = {value = {<std::__atomic_base<unsigned long>> = {
                              static _S_alignment = 8, _M_i = 11415627540727}, static is_always_lock_free = true}}}}}}, <No data fields>}}, timings = {_M_elems = {{_M_b = {_M_p = 0x7f0cf6c95720}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c93be0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a120cdf40}, static is_always_lock_free = <optimized out>}, {_M_b = {
                    _M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c95660}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 11 times>, {_M_b = {_M_p = 0x7f0cf6cd0b60}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 14 times>, 
                {_M_b = {_M_p = 0x7f08ea5e4160}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 29 times>, {_M_b = {_M_p = 0x7f08c0e0f340}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a12256400}, static is_always_lock_free = <optimized out>}, {
                  _M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 16 times>, {_M_b = {_M_p = 0x7f08ea5e4060}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08eaa73960}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a1193efa0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08eaa73980}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0d135e20a0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a12236920}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a11d7a1a0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a11d7a240}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08ea5e4660}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c92c40}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08ea5e4480}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0cf6c956e0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a122369a0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, 
                  static is_always_lock_free = <optimized out>} <repeats 39 times>, {_M_b = {_M_p = 0x7f0a12c69920}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 35 times>, {_M_b = {_M_p = 0x7f08eaa735e0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {
                    _M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f08c0df8960}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f089b87ece0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, 
                  static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x7f0a11685fc0}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>} <repeats 67 times>, {_M_b = {_M_p = 0x7f08ea5e4520}, static is_always_lock_free = <optimized out>}, {_M_b = {_M_p = 0x0}, static is_always_lock_free = <optimized out>}}}, 
            histogram_mutex = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, <No data fields>}, interval_counters = {
              coreArray = {<std::_Vector_base<std::array<cb::sampling::Interval, 256>, std::allocator<std::array<cb::sampling::Interval, 256> > >> = {
                  _M_impl = {<std::allocator<std::array<cb::sampling::Interval, 256> >> = {<__gnu_cxx::new_allocator<std::array<cb::sampling::Interval, 256> >> = {<No data fields>}, <No data fields>}, <std::_Vector_base<std::array<cb::sampling::Interval, 256>, std::allocator<std::array<cb::sampling::Interval, 256> > >::_Vector_impl_data> = {_M_start = 0x7f0d16267000, _M_finish = 0x7f0d162af000, 
                      _M_end_of_storage = 0x7f0d162af000}, <No data fields>}}, <No data fields>}}}, subjson_operation_times = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d16264240}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 10, static tls_lastDeferredReaderSlot = 10, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, jsonValidateTimes = {<HdrHistogram> = {
              defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d16264300}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 512}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, 
                  static kPrevDefer = 256, static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, 
                  static kDeferredSearchDistance = 2, static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 10, static tls_lastDeferredReaderSlot = 10, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, 
          snappyDecompressionTimes = {<HdrHistogram> = {defaultIterationMode = HdrHistogram::Iterator::Percentiles, 
              histogram = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)2>> = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<hdr_histogram, HdrHistogram::HdrDeleter>, folly::SharedMutexImpl<false, void, std::atomic, false, false> >, (folly::detail::MutexLevel)1>> = {<No data fields>}, <No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {_M_t = {<std::__uniq_ptr_impl<hdr_histogram, HdrHistogram::HdrDeleter>> = {
                      _M_t = {<std::_Tuple_impl<0, hdr_histogram*, HdrHistogram::HdrDeleter>> = {<std::_Tuple_impl<1, HdrHistogram::HdrDeleter>> = {<std::_Head_base<1, HdrHistogram::HdrDeleter, true>> = {<HdrHistogram::HdrDeleter> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, hdr_histogram*, false>> = {
                            _M_head_impl = 0x7f0d162643c0}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {static kReaderPriority = false, state_ = {<std::__atomic_base<unsigned int>> = {static _S_alignment = 4, _M_i = 0}, static is_always_lock_free = true}, static kIncrHasS = 2048, static kHasS = 4294965248, static kAnnotationCreated = 1024, static kMayDefer = 512, static kPrevDefer = 256, 
                  static kHasE = 128, static kBegunE = 64, static kHasU = 32, static kHasSolo = 224, static kWaitingNotS = 16, static kWaitingESingle = 4, static kWaitingEMultiple = 8, static kWaitingE = 12, static kWaitingU = 2, static kWaitingS = 1, static kWaitingAny = 31, static kNumSharedToStartDeferring = 2, static kMaxSpinCount = 1000, static kMaxSoftYieldCount = 1000, static kDeferredSearchDistance = 2, 
                  static kDeferredSeparationFactor = 4, static kTokenStackTLSCapacity = 2, static kTokenless = 1, static tls_lastTokenlessSlot = 10, static tls_lastDeferredReaderSlot = 10, static deferredReaders = {{<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true} <repeats 2048 times>}}}}, <No data fields>}, responseCounters = {_M_elems = {{
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 18417665}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 6}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 291}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}} <repeats 126 times>, {
                value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 484132}, static is_always_lock_free = true}}, {value = {<std::__atomic_base<unsigned long>> = {static _S_alignment = 8, _M_i = 0}, static is_always_lock_free = true}} <repeats 81 times>}}, clusterConfiguration = {
            config = {<folly::SynchronizedBase<folly::Synchronized<std::unique_ptr<ClusterConfiguration::Configuration, std::default_delete<ClusterConfiguration::Configuration> >, std::mutex>, (folly::detail::MutexLevel)0>> = {<No data fields>}, static nxCopyCtor = <optimized out>, static nxMoveCtor = <optimized out>, datum_ = {
                _M_t = {<std::__uniq_ptr_impl<ClusterConfiguration::Configuration, std::default_delete<ClusterConfiguration::Configuration> >> = {
                    _M_t = {<std::_Tuple_impl<0, ClusterConfiguration::Configuration*, std::default_delete<ClusterConfiguration::Configuration> >> = {<std::_Tuple_impl<1, std::default_delete<ClusterConfiguration::Configuration> >> = {<std::_Head_base<1, std::default_delete<ClusterConfiguration::Configuration>, true>> = {<std::default_delete<ClusterConfiguration::Configuration>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, ClusterConfiguration::Configuration*, false>> = {_M_head_impl = 0x7f08c0e05490}, <No data fields>}, <No data fields>}}, <No data fields>}}, mutex_ = {<std::__mutex_base> = {_M_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __elision = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, 
                    __align = 0}}, <No data fields>}}}, max_document_size = 20971520, supportedFeatures = {
            _M_h = {<std::__detail::_Hashtable_base<cb::engine::Feature, cb::engine::Feature, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Hashtable_traits<true, true, true> >> = {<std::__detail::_Hash_code_base<cb::engine::Feature, cb::engine::Feature, std::__detail::_Identity, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, true>> = {<std::__detail::_Hashtable_ebo_helper<0, std::__detail::_Identity, true>> = {<std::__detail::_Identity> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<1, std::hash<cb::engine::Feature>, true>> = {<std::hash<cb::engine::Feature>> = {<No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<2, std::__detail::_Mod_range_hashing, true>> = {<std::__detail::_Mod_range_hashing> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Hashtable_ebo_helper<0, std::equal_to<cb::engine::Feature>, true>> = {<std::equal_to<cb::engine::Feature>> = {<std::binary_function<cb::engine::Feature, cb::engine::Feature, bool>> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, <std::__detail::_Map_base<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, true>> = {<No data fields>}, <std::__detail::_Insert<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, true>> = {<std::__detail::_Insert_base<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true> >> = {<No data fields>}, <No data fields>}, <std::__detail::_Rehash_base<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, std::integral_constant<bool, true> >> = {<No data fields>}, <std::__detail::_Equality<cb::engine::Feature, cb::engine::Feature, std::allocator<cb::engine::Feature>, std::__detail::_Identity, std::equal_to<cb::engine::Feature>, std::hash<cb::engine::Feature>, std::__detail::_Mod_range_hashing, std::__detail::_Default_ranged_hash, std::__detail::_Prime_rehash_policy, std::__detail::_Hashtable_traits<true, true, true>, true>> = {<No data fields>}, <std::__detail::_Hashtable_alloc<std::allocator<std::__detail::_Hash_node<cb::engine::Feature, true> > >> = {<std::__detail::_Hashtable_ebo_helper<0, std::allocator<std::__detail::_Hash_node<cb::engine::Feature, true> >, true>> = {<std::allocator<std::__detail::_Hash_node<cb::engine::Feature, true> >> = {<__gnu_cxx::new_allocator<std::__detail::_Hash_node<cb::engine::Feature, true> >> = {<No data fields>}, <No data fields>}, <No data fields>}, <No data fields>}, 
              _M_buckets = 0x7f0a116fa220, _M_bucket_count = 13, _M_before_begin = {_M_nxt = 0x7f0a120cdd00}, _M_element_count = 1, _M_rehash_policy = {static _S_growth_factor = 2, _M_max_load_factor = 1, _M_next_resize = 13}, _M_single_bucket = 0x0}}, engine = {_M_t = {<std::__uniq_ptr_impl<EngineIface, EngineDeletor>> = {
                _M_t = {<std::_Tuple_impl<0, EngineIface*, EngineDeletor>> = {<std::_Tuple_impl<1, EngineDeletor>> = {<std::_Head_base<1, EngineDeletor, false>> = {_M_head_impl = {force = false}}, <No data fields>}, <std::_Head_base<0, EngineIface*, false>> = {_M_head_impl = 0x7f0d10000000}, <No data fields>}, <No data fields>}}, <No data fields>}}, bucketDcp = 0x7f0d10000008}
        isAlive = <optimized out>
#10 operator() (__closure=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/protocol/mcbp/cluster_config_executor.cc:275
        version = <optimized out>
        bucketIndex = <optimized out>
#11 __invoke_impl<void, set_cluster_config_executor(Cookie&)::<lambda()>&> (__f=...) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/invoke.h:60
No locals.
#12 __invoke_r<void, set_cluster_config_executor(Cookie&)::<lambda()>&> (__fn=...) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/invoke.h:110
No locals.
#13 std::_Function_handler<void (), set_cluster_config_executor(Cookie&)::{lambda()#4}>::_M_invoke(std::_Any_data const&) () at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:291
No locals.
#14 0x0000000000625494 in operator() (this=0x7f0cf6c81408) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
No locals.
#15 OneShotTask::run (this=0x7f0cf6c81390) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/one_shot_task.h:50
No locals.
#16 0x0000000000a9eeb2 in GlobalTask::execute() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/globaltask.cc:68
        guard = {previous = 0x0}
#17 0x0000000000a9c0c5 in FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}::operator()() const (__closure=0x7f0a13fed840) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:189
        scheduleOverhead = <optimized out>
        start = {__d = {__r = 15123222487558437}}
        runAgain = false
        proxy = @0x7f0cf6c85140: {<folly::HHWheelTimerBase<std::chrono::duration<long, std::ratio<1, 1000> > >::Callback> = {<boost::intrusive::list_base_hook<boost::intrusive::link_mode<(boost::intrusive::link_mode_type)2> >> = {<boost::intrusive::generic_hook<(boost::intrusive::algo_types)0, boost::intrusive::list_node_traits<void*>, boost::intrusive::dft_tag, (boost::intrusive::link_mode_type)2, (boost::intrusive::base_hook_type)1>> = {<boost::intrusive::node_holder<boost::intrusive::list_node<void*>, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::list_node<void*>> = {next_ = 0x0, 
                    prev_ = 0x0}, <No data fields>}, <boost::intrusive::hook_tags_definer<boost::intrusive::generic_hook<(boost::intrusive::algo_types)0, boost::intrusive::list_node_traits<void*>, boost::intrusive::dft_tag, (boost::intrusive::link_mode_type)2, (boost::intrusive::base_hook_type)1>, 1>> = {<No data fields>}, <No data fields>}, <No data fields>}, 
            _vptr.Callback = 0xca2b48 <vtable for FollyExecutorPool::TaskProxy+16>, wheel_ = 0x0, expiration_ = {__d = {__r = 0}}, bucket_ = -1, requestContext_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, 
          task = {<std::__shared_ptr<GlobalTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<GlobalTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0cf6c81390, _M_refcount = {_M_pi = 0x7f0cf6c81380}}, <No data fields>}, taskId = 4545, scheduledOnCpuPool = true, executor = @0x7f0d13dfea00, cpuPool = @0x7f0cf6936c00}
#18 0x0000000000bf0c60 in operator() (this=0x7f0a13fed840) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:416
        fn = @0x7f0a13fed840: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6c85140, tiny = {__data = "@Q\310\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000.\214\000\000\000\000\000\000\030\005\000\000\000\000\000\000\020\331\376\023\n\177\000", __align = {<No data fields>}}}, 
          call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}
#19 folly::ThreadPoolExecutor::runTask(std::shared_ptr<folly::ThreadPoolExecutor::Thread> const&, folly::ThreadPoolExecutor::Task&&) (this=this@entry=0x7f0cf6936c00, thread=..., task=task@entry=<unknown type in /usr/lib/debug/opt/couchbase/bin/memcached-7.1.0-1817.x86_64.debug, CU 0xa120c30, DIE 0xa1a4b65>)
    at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/ThreadPoolExecutor.cpp:97
        rctx = {prev_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}
        startTime = {__d = {__r = 15123222487557402}}
        stats = {expired = false, waitTime = {__r = 6705}, runTime = {__r = 0}, enqueueTime = {__d = {__r = 15123222487550697}}, requestId = 0}
#20 0x0000000000bd8a1a in folly::CPUThreadPoolExecutor::threadRun (this=0x7f0cf6936c00, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/CPUThreadPoolExecutor.cpp:265
        task = {storage_ = {{emptyState = 64 '@', value = {<folly::ThreadPoolExecutor::Task> = {func_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6c85140, tiny = {__data = "@Q\310\366\f\177\000\000\000\000\000\000\000\000\000\000\260S,\022\n\177\000\000.\214\000\000\000\000\000\000\030\005\000\000\000\000\000\000\020\331\376\023\n\177\000", 
                        __align = {<No data fields>}}}, call_ = 0xa9c780 <folly::detail::function::FunctionTraits<void ()>::callSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Data&)>, 
                    exec_ = 0xa9aed0 <folly::detail::function::execSmall<FollyExecutorPool::TaskProxy::scheduleViaCPUPool()::{lambda()#2}>(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data)>}, enqueueTime_ = {__d = {__r = 15123222487550697}}, expiration_ = {__r = 0}, expireCallback_ = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {
                      big = 0x8c2e, tiny = {__data = ".\214\000\000\000\000\000\000K\270\242", '\000' <repeats 13 times>, "_\376=\031\r\177\000\000\240\331\376\023\n\177\000\000@\226^\031\r\177\000", __align = {<No data fields>}}}, call_ = 0x4651fd <folly::detail::function::FunctionTraits<void ()>::uninitCall(folly::detail::function::Data&)>, exec_ = 0x0}, 
                  context_ = {<std::__shared_ptr<folly::RequestContext, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::RequestContext, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x0}}, <No data fields>}}, poison = false, priority_ = 0 '\000', queueObserverPayload_ = 0}}, hasValue = true}}
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcbfe6b "CPUThreadPoolExecutor", e_ = 0xcbfe80 ""}}}}
#21 0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#22 __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#23 __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#24 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#25 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#26 0x0000000000a9bd54 in operator() (this=0x7f0cf6bbbfc0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        fn = @0x7f0cf6bbbfc0: {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19560, tiny = {__data = "`\225\261\366\f\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#27 operator() (__closure=0x7f0cf6bbbfc0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/executor/folly_executorpool.cc:47
        threadNameOpt = {storage_ = {{emptyState = -96 '\240', value = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0a13fed9a0 "NonIoPool7"}, _M_string_length = 10, {_M_local_buf = "NonIoPool7\000\000\000\000\000", _M_allocated_capacity = 8029725099528449870}}}, hasValue = true}}
        func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19560, tiny = {__data = "`\225\261\366\f\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
          call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
          exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}
#28 folly::detail::function::FunctionTraits<void ()>::callBig<CBRegisteredThreadFactory::newThread(folly::Function<void ()>&&)::{lambda()#1}>(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/couchbase-server-unix/server_build/tlm/deps/folly.exploded/include/folly/Function.h:401
        fn = @0x7f0cf6bbbfc0: {__func = {<folly::detail::function::FunctionTraits<void()>> = {<No data fields>}, data_ = {big = 0x7f0cf6b19560, tiny = {__data = "`\225\261\366\f\177", '\000' <repeats 41 times>, __align = {<No data fields>}}}, 
            call_ = 0xbf3bd0 <folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&)>, 
            exec_ = 0xbf34c0 <folly::detail::function::execBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Op, folly::detail::function::Data*, folly::detail::function::Data*)>}}
#29 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#30 0x00007f0d18faeea5 in start_thread (arg=0x7f0a13fff700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0a13fff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139681261942528, -4771262700614340274, 0, 8392704, 0, 139681261942528, 4890124315477913934, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#31 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 43 (Thread 0x7f0a137fe700 (LWP 35887)):
#0  0x00007f0d168efeb3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:81
No locals.
#1  0x00007f0d182833c5 in epoll_dispatch (base=0x7f0d13523600, tv=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/epoll.c:465
        epollop = 0x7f0cf6bef7c0
        events = 0x7f0d1351f500
        i = <optimized out>
        res = <optimized out>
        timeout = <optimized out>
        __func__ = "epoll_dispatch"
#2  0x00007f0d1827a376 in event_base_loop (base=0x7f0d13523600, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1998
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 2, tv_usec = 560000}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#3  0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d12f74180, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7f0a137ec850, prev_ = 0x7f0a137ec850}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d12f74180}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125909937155}}
        idleStart = {__d = {__r = 15182742565731893}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#4  0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d12f74180) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#5  0x0000000000bfc1d6 in folly::EventBase::loopForever (this=0x7f0d12f74180) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#6  0x0000000000be8489 in folly::IOThreadPoolExecutor::threadRun (this=0x7f0d12f73a00, thread=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/executors/IOThreadPoolExecutor.cpp:195
        ioThread = {<std::__shared_ptr<folly::IOThreadPoolExecutor::IOThread, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<folly::IOThreadPoolExecutor::IOThread, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0d13d9c890, _M_refcount = {_M_pi = 0x7f0d13d9c880}}, <No data fields>}
        idler = {_M_t = {
            _M_t = {<std::_Tuple_impl<0, folly::MemoryIdlerTimeout*, std::default_delete<folly::MemoryIdlerTimeout> >> = {<std::_Tuple_impl<1, std::default_delete<folly::MemoryIdlerTimeout> >> = {<std::_Head_base<1, std::default_delete<folly::MemoryIdlerTimeout>, true>> = {<std::default_delete<folly::MemoryIdlerTimeout>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, folly::MemoryIdlerTimeout*, false>> = {_M_head_impl = 0x7f0d12f7f280}, <No data fields>}, <No data fields>}}}
        guard = <optimized out>
#7  0x0000000000bf3c19 in __invoke_impl<void, void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__t=<optimized out>, __f=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:73
No locals.
#8  __invoke<void (folly::ThreadPoolExecutor::*&)(std::shared_ptr<folly::ThreadPoolExecutor::Thread>), folly::ThreadPoolExecutor*&, std::shared_ptr<folly::ThreadPoolExecutor::Thread>&> (__fn=<optimized out>) at /usr/local/include/c++/7.3.0/bits/invoke.h:95
No locals.
#9  __call<void, 0, 1> (__args=<optimized out>, this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:467
No locals.
#10 operator()<> (this=<optimized out>) at /usr/local/include/c++/7.3.0/functional:551
No locals.
#11 folly::detail::function::FunctionTraits<void ()>::callBig<std::_Bind<void (folly::ThreadPoolExecutor::*(folly::ThreadPoolExecutor*, std::shared_ptr<folly::ThreadPoolExecutor::Thread>))(std::shared_ptr<folly::ThreadPoolExecutor::Thread>)> >(folly::detail::function::Data&) (p=...) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/Function.h:401
        fn = <optimized out>
#12 0x00007f0d171a6d40 in execute_native_thread_routine () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#13 0x00007f0d18faeea5 in start_thread (arg=0x7f0a137fe700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0a137fe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139681253549824, -4771262700614340274, 0, 8392704, 0, 139681253549824, 4890125414452670798, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#14 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 42 (Thread 0x7f0a115fd700 (LWP 35889)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
No locals.
#1  0x00007f0d184bbe51 in background_thread_sleep (tsdn=<optimized out>, interval=10000000000, info=<optimized out>) at src/background_thread.c:255
        next_wakeup = {ns = 15182752610548291}
        ts_wakeup = {ns = 1638524644251895000}
        ts = {tv_sec = 1638524644, tv_nsec = 251895000}
        tv = {tv_sec = 1638524634, tv_usec = 251895}
        before_sleep = {ns = 1638524634251895000}
#2  background_work_sleep_once (ind=<optimized out>, info=<optimized out>, tsdn=<optimized out>) at src/background_thread.c:307
        min_interval = 10000000000
        narenas = <optimized out>
#3  background_work (ind=<optimized out>, tsd=0x7f0a115ec220) at src/background_thread.c:497
        info = <optimized out>
#4  background_thread_entry (ind_arg=<optimized out>) at src/background_thread.c:522
        thread_ind = <optimized out>
#5  0x00007f0d18faeea5 in start_thread (arg=0x7f0a115fd700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0a115fd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139681217894144, -4771262700614340274, 0, 8392704, 0, 139681217894144, 4890121288599712078, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#6  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 41 (Thread 0x7f0a10dfc700 (LWP 35890)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
No locals.
#1  0x00000000009affbf in __gthread_cond_timedwait (__abs_timeout=0x7f0a10dea960, __mutex=<optimized out>, __cond=0x7f0a12cb9cd8) at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:872
No locals.
#2  __wait_until_impl<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__lock=..., __lock=..., __atime=<synthetic pointer>, this=0x7f0a12cb9cd8) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:232
        __ts = {tv_sec = 1638524644, tv_nsec = 253026435}
#3  wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=0x7f0a12cb9cd8) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:141
        __c_entry = <optimized out>
#4  wait_for<long, std::ratio<1, 1000000000> > (__rtime=..., __rtime=..., __lock=..., this=0x7f0a12cb9cd8) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:172
No locals.
#5  magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:99
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9d08, _M_owns = true}
#6  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0cf6e75340, _M_refcount = {_M_pi = 0x7f0cf6e75330}}, <No data fields>}
        worker = 0x7f0a116d3900
#7  0x0000000000b86049 in run (this=0x7f0a11679da0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f0a10dfc700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0a10dfc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139681209501440, -4771262700614340274, 0, 8392704, 0, 139681209501440, 4890117989527957838, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 40 (Thread 0x7f0903fff700 (LWP 35891)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
No locals.
#1  0x00007f0d18fb0e9b in _L_lock_883 () from /lib64/libpthread.so.0
No symbol table info available.
#2  0x00007f0d18fb0d68 in __GI___pthread_mutex_lock (mutex=0x7f0876e0e1f0) at ../nptl/pthread_mutex_lock.c:78
        type = 0
        id = <optimized out>
#3  0x0000000000976a57 in __gthread_mutex_lock (__mutex=0x7f0876e0e1f0) at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:749
No locals.
#4  lock (this=0x7f0876e0e1f0) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_mutex.h:100
        __e = <optimized out>
#5  lock (this=0x7f0903fec980) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/unique_lock.h:138
No locals.
#6  unique_lock (__m=..., this=0x7f0903fec980) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/unique_lock.h:68
No locals.
#7  magma::WAL::Trim(magma::WALOffset&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/wal/wal.cc:558
        lock = {_M_device = 0x7f0876e0e1f0, _M_owns = false}
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
        oops = <optimized out>
        deletedSegments = {<std::_Vector_base<unsigned long, std::allocator<unsigned long> >> = {_M_impl = {<std::allocator<unsigned long>> = {<__gnu_cxx::new_allocator<unsigned long>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<unsigned long, std::allocator<unsigned long> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}
#8  0x0000000000960287 in magma::KVStoreSet::Trim(magma::WAL*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/kvstore_set.cc:104
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
        lock = {_M_device = @0x7f087e1b75b8}
        offset = {SegID = 9492, SegOffset = 7188480}
#9  0x0000000000952c4e in magma::Magma::Impl::tryWALTrim() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/db_write.cc:86
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
#10 0x00000000009332f4 in magma::Magma::Impl::tryWriteCacheFlush(magma::BlockingMode, magma::FlushMode) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/db.cc:1134
        usage = {WriteCacheMemUsed = 371496, BloomFilterMemUsed = <optimized out>, BlockCacheMemUsed = <optimized out>, IndexBlockSize = <optimized out>, TableMetaMemUsed = <optimized out>, WALMemUsed = <optimized out>, BufferMemUsed = <optimized out>}
        flushAll = <optimized out>
#11 0x00000000009335ab in magma::Magma::Impl::heartbeatCallback() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/db.cc:1252
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
#12 0x00000000009ae934 in operator() (this=0x7efbe1465490) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
No locals.
#13 magma::TimedTask::Complete(bool) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:144
        wg = 0x7f087e1b98c0
        envGuard = {previous = {<std::__pair_base<void*, int>> = {<No data fields>}, first = 0x0, second = 2}}
        currTask = {<std::__shared_ptr<magma::Task, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::Task, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7efbe1465480, _M_refcount = {_M_pi = 0x7efbe1465470}}, <No data fields>}
#14 0x00000000009b0121 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:161
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f08d10b80e0, _M_refcount = {_M_pi = 0x7f08d10b80d0}}, <No data fields>}
        worker = 0x7f0a116d3940
#15 0x0000000000b86049 in run (this=0x7f0a11679dd0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#16 platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#17 0x00007f0d18faeea5 in start_thread (arg=0x7f0903fff700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0903fff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139676698539776, -4771262700614340274, 0, 8392704, 0, 139676698539776, 4889526181152403790, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#18 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 39 (Thread 0x7f09037fe700 (LWP 35892)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
No locals.
#1  0x00007f0d18fb0e9b in _L_lock_883 () from /lib64/libpthread.so.0
No symbol table info available.
#2  0x00007f0d18fb0d68 in __GI___pthread_mutex_lock (mutex=0x7f0883d31a70) at ../nptl/pthread_mutex_lock.c:78
        type = 0
        id = <optimized out>
#3  0x0000000000976a57 in __gthread_mutex_lock (__mutex=0x7f0883d31a70) at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:749
No locals.
#4  lock (this=0x7f0883d31a70) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_mutex.h:100
        __e = <optimized out>
#5  lock (this=0x7f09037eb980) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/unique_lock.h:138
No locals.
#6  unique_lock (__m=..., this=0x7f09037eb980) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/unique_lock.h:68
No locals.
#7  magma::WAL::Trim(magma::WALOffset&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/wal/wal.cc:558
        lock = {_M_device = 0x7f0883d31a70, _M_owns = false}
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x7f0c4c20d040}, <No data fields>}, <No data fields>}}, <No data fields>}}}
        oops = <optimized out>
        deletedSegments = {<std::_Vector_base<unsigned long, std::allocator<unsigned long> >> = {_M_impl = {<std::allocator<unsigned long>> = {<__gnu_cxx::new_allocator<unsigned long>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<unsigned long, std::allocator<unsigned long> >::_Vector_impl_data> = {_M_start = 0x7f0d102de080, _M_finish = 0x7f0d10303300, 
                _M_end_of_storage = 0x7f0d10364c80}, <No data fields>}}, <No data fields>}
#8  0x0000000000960287 in magma::KVStoreSet::Trim(magma::WAL*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/kvstore_set.cc:104
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
        lock = {_M_device = @0x7f08844d05b8}
        offset = {SegID = 8948, SegOffset = 626688}
#9  0x0000000000952c4e in magma::Magma::Impl::tryWALTrim() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/db_write.cc:86
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
#10 0x00000000009332f4 in magma::Magma::Impl::tryWriteCacheFlush(magma::BlockingMode, magma::FlushMode) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/db.cc:1134
        usage = {WriteCacheMemUsed = 335200, BloomFilterMemUsed = <optimized out>, BlockCacheMemUsed = <optimized out>, IndexBlockSize = <optimized out>, TableMetaMemUsed = <optimized out>, WALMemUsed = <optimized out>, BufferMemUsed = <optimized out>}
        flushAll = <optimized out>
#11 0x00000000009335ab in magma::Magma::Impl::heartbeatCallback() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/db.cc:1252
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x100000002}, <No data fields>}, <No data fields>}}, <No data fields>}}}
#12 0x00000000009ae934 in operator() (this=0x7f07377256f0) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
No locals.
#13 magma::TimedTask::Complete(bool) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:144
        wg = 0x7f08844d28c0
        envGuard = {previous = {<std::__pair_base<void*, int>> = {<No data fields>}, first = 0x0, second = 2}}
        currTask = {<std::__shared_ptr<magma::Task, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::Task, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f07377256e0, _M_refcount = {_M_pi = 0x7f07377256d0}}, <No data fields>}
#14 0x00000000009b0121 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:161
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f08ea58bb80, _M_refcount = {_M_pi = 0x7f08ea58bb70}}, <No data fields>}
        worker = 0x7f0a116d3980
#15 0x0000000000b86049 in run (this=0x7f0a11679e00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#16 platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#17 0x00007f0d18faeea5 in start_thread (arg=0x7f09037fe700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f09037fe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139676690147072, -4771262700614340274, 0, 8392704, 0, 139676690147072, 4889527280127160654, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#18 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 38 (Thread 0x7f0902ffd700 (LWP 35893)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
No locals.
#1  0x00007f0d18fb0e9b in _L_lock_883 () from /lib64/libpthread.so.0
No symbol table info available.
#2  0x00007f0d18fb0d68 in __GI___pthread_mutex_lock (mutex=0x7f08efdf8ef0) at ../nptl/pthread_mutex_lock.c:78
        type = 0
        id = <optimized out>
#3  0x0000000000976a57 in __gthread_mutex_lock (__mutex=0x7f08efdf8ef0) at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:749
No locals.
#4  lock (this=0x7f08efdf8ef0) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_mutex.h:100
        __e = <optimized out>
#5  lock (this=0x7f0902fea980) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/unique_lock.h:138
No locals.
#6  unique_lock (__m=..., this=0x7f0902fea980) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/unique_lock.h:68
No locals.
#7  magma::WAL::Trim(magma::WALOffset&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/wal/wal.cc:558
        lock = {_M_device = 0x7f08efdf8ef0, _M_owns = false}
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
        oops = <optimized out>
        deletedSegments = {<std::_Vector_base<unsigned long, std::allocator<unsigned long> >> = {_M_impl = {<std::allocator<unsigned long>> = {<__gnu_cxx::new_allocator<unsigned long>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<unsigned long, std::allocator<unsigned long> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}
#8  0x0000000000960287 in magma::KVStoreSet::Trim(magma::WAL*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/kvstore_set.cc:104
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
        lock = {_M_device = @0x7f08f0b665b8}
        offset = {SegID = 9879, SegOffset = 794624}
#9  0x0000000000952c4e in magma::Magma::Impl::tryWALTrim() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/db_write.cc:86
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
#10 0x00000000009332f4 in magma::Magma::Impl::tryWriteCacheFlush(magma::BlockingMode, magma::FlushMode) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/db.cc:1134
        usage = {WriteCacheMemUsed = 220544, BloomFilterMemUsed = <optimized out>, BlockCacheMemUsed = <optimized out>, IndexBlockSize = <optimized out>, TableMetaMemUsed = <optimized out>, WALMemUsed = <optimized out>, BufferMemUsed = <optimized out>}
        flushAll = <optimized out>
#11 0x00000000009335ab in magma::Magma::Impl::heartbeatCallback() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/db.cc:1252
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
#12 0x00000000009ae934 in operator() (this=0x7efb67252e10) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
No locals.
#13 magma::TimedTask::Complete(bool) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:144
        wg = 0x7f08f0b688c0
        envGuard = {previous = {<std::__pair_base<void*, int>> = {<No data fields>}, first = 0x0, second = 2}}
        currTask = {<std::__shared_ptr<magma::Task, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::Task, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7efb67252e00, _M_refcount = {_M_pi = 0x7efb67252df0}}, <No data fields>}
#14 0x00000000009b0121 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:161
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f08eb2a7100, _M_refcount = {_M_pi = 0x7f08eb2a70f0}}, <No data fields>}
        worker = 0x7f0a116d39c0
#15 0x0000000000b86049 in run (this=0x7f0a11679e30) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#16 platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#17 0x00007f0d18faeea5 in start_thread (arg=0x7f0902ffd700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0902ffd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139676681754368, -4771262700614340274, 0, 8392704, 0, 139676681754368, 4889523978907922766, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#18 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 37 (Thread 0x7f09027fc700 (LWP 35894)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f0d171a18bc in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#2  0x00000000009afd28 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:101
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9da8, _M_owns = true}
#3  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0a11828150, _M_refcount = {_M_pi = 0x7f0a11828140}}, <No data fields>}
        worker = 0x7f0a116d3a00
#4  0x0000000000b86049 in run (this=0x7f0a11679e60) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#5  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#6  0x00007f0d18faeea5 in start_thread (arg=0x7f09027fc700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f09027fc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139676673361664, -4771262700614340274, 0, 8392704, 0, 139676673361664, 4889525077882679630, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#7  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 36 (Thread 0x7f0901ffb700 (LWP 35895)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f0d171a18bc in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#2  0x00000000009afd28 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:101
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9da8, _M_owns = true}
#3  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0a118760c0, _M_refcount = {_M_pi = 0x7f0a118760b0}}, <No data fields>}
        worker = 0x7f0a116d3a40
#4  0x0000000000b86049 in run (this=0x7f0a11679e90) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#5  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#6  0x00007f0d18faeea5 in start_thread (arg=0x7f0901ffb700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0901ffb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139676664968960, -4771262700614340274, 0, 8392704, 0, 139676664968960, 4889521780958409038, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#7  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 35 (Thread 0x7f09017fa700 (LWP 35896)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f0d171a18bc in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#2  0x00000000009afd28 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:101
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9da8, _M_owns = true}
#3  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0a11c7c620, _M_refcount = {_M_pi = 0x7f0a11c7c610}}, <No data fields>}
        worker = 0x7f0a116d3a80
#4  0x0000000000b86049 in run (this=0x7f0a11679ec0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#5  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#6  0x00007f0d18faeea5 in start_thread (arg=0x7f09017fa700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f09017fa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139676656576256, -4771262700614340274, 0, 8392704, 0, 139676656576256, 4889522879933165902, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#7  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 34 (Thread 0x7f0900ff9700 (LWP 35897)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f0d171a18bc in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#2  0x00000000009afd28 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:101
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9da8, _M_owns = true}
#3  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0a12792290, _M_refcount = {_M_pi = 0x7f0a12792280}}, <No data fields>}
        worker = 0x7f0a116d7ac0
#4  0x0000000000b86049 in run (this=0x7f0a11679ef0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#5  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#6  0x00007f0d18faeea5 in start_thread (arg=0x7f0900ff9700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0900ff9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139676648183552, -4771262700614340274, 0, 8392704, 0, 139676648183552, 4889519578713928014, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#7  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 33 (Thread 0x7f08fafff700 (LWP 35898)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f0d171a18bc in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#2  0x00000000009afd28 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:101
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9da8, _M_owns = true}
#3  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0a1243bd20, _M_refcount = {_M_pi = 0x7f0a1243bd10}}, <No data fields>}
        worker = 0x7f0a11771440
#4  0x0000000000b86049 in run (this=0x7f0a11679f20) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#5  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#6  0x00007f0d18faeea5 in start_thread (arg=0x7f08fafff700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f08fafff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139676547544832, -4771262700614340274, 0, 8392704, 0, 139676547544832, 4888908255617593678, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#7  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 32 (Thread 0x7f08fa7fe700 (LWP 35899)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f0d171a18bc in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#2  0x00000000009afd28 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:101
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9da8, _M_owns = true}
#3  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0a117f13a0, _M_refcount = {_M_pi = 0x7f0a117f1390}}, <No data fields>}
        worker = 0x7f0a11771480
#4  0x0000000000b86049 in run (this=0x7f0a11679f80) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#5  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#6  0x00007f0d18faeea5 in start_thread (arg=0x7f08fa7fe700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f08fa7fe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139676539152128, -4771262700614340274, 0, 8392704, 0, 139676539152128, 4888909354592350542, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#7  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 31 (Thread 0x7f08f9ffd700 (LWP 35900)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f0d171a18bc in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#2  0x00000000009afd28 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:101
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9da8, _M_owns = true}
#3  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0a11881830, _M_refcount = {_M_pi = 0x7f0a11881820}}, <No data fields>}
        worker = 0x7f0a117714c0
#4  0x0000000000b86049 in run (this=0x7f0a11679fb0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#5  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#6  0x00007f0d18faeea5 in start_thread (arg=0x7f08f9ffd700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f08f9ffd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139676530759424, -4771262700614340274, 0, 8392704, 0, 139676530759424, 4888906053373112654, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#7  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 30 (Thread 0x7f08f97fc700 (LWP 35901)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f0d171a18bc in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#2  0x00000000009afd28 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:101
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9da8, _M_owns = true}
#3  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0cf6da9330, _M_refcount = {_M_pi = 0x7f0cf6da9320}}, <No data fields>}
        worker = 0x7f0a11771500
#4  0x0000000000b86049 in run (this=0x7f0a11679fe0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#5  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#6  0x00007f0d18faeea5 in start_thread (arg=0x7f08f97fc700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f08f97fc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139676522366720, -4771262700614340274, 0, 8392704, 0, 139676522366720, 4888907152347869518, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#7  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 29 (Thread 0x7f08f8ffb700 (LWP 35902)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f0d171a18bc in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#2  0x00000000009afd28 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:101
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9da8, _M_owns = true}
#3  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0a11881ce0, _M_refcount = {_M_pi = 0x7f0a11881cd0}}, <No data fields>}
        worker = 0x7f0a11771540
#4  0x0000000000b86049 in run (this=0x7f0a1167a010) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#5  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#6  0x00007f0d18faeea5 in start_thread (arg=0x7f08f8ffb700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f08f8ffb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139676513974016, -4771262700614340274, 0, 8392704, 0, 139676513974016, 4888903855423598926, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#7  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 28 (Thread 0x7f08f87fa700 (LWP 35903)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f0d171a18bc in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#2  0x00000000009afd28 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:101
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9da8, _M_owns = true}
#3  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0a126b63d0, _M_refcount = {_M_pi = 0x7f0a126b63c0}}, <No data fields>}
        worker = 0x7f0a11771580
#4  0x0000000000b86049 in run (this=0x7f0a1167a040) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#5  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#6  0x00007f0d18faeea5 in start_thread (arg=0x7f08f87fa700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f08f87fa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139676505581312, -4771262700614340274, 0, 8392704, 0, 139676505581312, 4888904954398355790, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#7  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 27 (Thread 0x7f08f7ff9700 (LWP 35904)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f0d171a18bc in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#2  0x00000000009afd28 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:101
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9da8, _M_owns = true}
#3  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0a11812ca0, _M_refcount = {_M_pi = 0x7f0a11812c90}}, <No data fields>}
        worker = 0x7f0a117715c0
#4  0x0000000000b86049 in run (this=0x7f0a1167a070) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#5  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#6  0x00007f0d18faeea5 in start_thread (arg=0x7f08f7ff9700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f08f7ff9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139676497188608, -4771262700614340274, 0, 8392704, 0, 139676497188608, 4888936837551206734, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#7  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 26 (Thread 0x7f08f77f8700 (LWP 35905)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f0d171a18bc in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#2  0x00000000009afd28 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:101
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9da8, _M_owns = true}
#3  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0a11b5ee10, _M_refcount = {_M_pi = 0x7f0a11b5ee00}}, <No data fields>}
        worker = 0x7f0a11771600
#4  0x0000000000b86049 in run (this=0x7f0a1167a0a0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#5  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#6  0x00007f0d18faeea5 in start_thread (arg=0x7f08f77f8700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f08f77f8700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139676488795904, -4771262700614340274, 0, 8392704, 0, 139676488795904, 4888937936525963598, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#7  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 25 (Thread 0x7f08f6ff7700 (LWP 35906)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f0d171a18bc in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#2  0x00000000009afd28 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:101
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9da8, _M_owns = true}
#3  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0cf6e44820, _M_refcount = {_M_pi = 0x7f0cf6e44810}}, <No data fields>}
        worker = 0x7f0a11771640
#4  0x0000000000b86049 in run (this=0x7f0a1167a0d0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#5  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#6  0x00007f0d18faeea5 in start_thread (arg=0x7f08f6ff7700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f08f6ff7700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139676480403200, -4771262700614340274, 0, 8392704, 0, 139676480403200, 4888934639601693006, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#7  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 24 (Thread 0x7f08f67f6700 (LWP 35907)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f0d171a18bc in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#2  0x00000000009afd28 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:101
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9da8, _M_owns = true}
#3  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0cf6e71470, _M_refcount = {_M_pi = 0x7f0cf6e71460}}, <No data fields>}
        worker = 0x7f0a11771680
#4  0x0000000000b86049 in run (this=0x7f0a1167a100) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#5  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#6  0x00007f0d18faeea5 in start_thread (arg=0x7f08f67f6700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f08f67f6700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139676472010496, -4771262700614340274, 0, 8392704, 0, 139676472010496, 4888935738576449870, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#7  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 23 (Thread 0x7f08f5ff5700 (LWP 35908)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f0d171a18bc in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#2  0x00000000009afd28 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:101
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9da8, _M_owns = true}
#3  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0a11812200, _M_refcount = {_M_pi = 0x7f0a118121f0}}, <No data fields>}
        worker = 0x7f0a117716c0
#4  0x0000000000b86049 in run (this=0x7f0a1167a130) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#5  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#6  0x00007f0d18faeea5 in start_thread (arg=0x7f08f5ff5700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f08f5ff5700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139676463617792, -4771262700614340274, 0, 8392704, 0, 139676463617792, 4888932437357211982, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#7  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 22 (Thread 0x7f08f57f4700 (LWP 35909)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f0d171a18bc in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#2  0x00000000009afd28 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:101
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9da8, _M_owns = true}
#3  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0a11bb2930, _M_refcount = {_M_pi = 0x7f0a11bb2920}}, <No data fields>}
        worker = 0x7f0a11771700
#4  0x0000000000b86049 in run (this=0x7f0a1167a160) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#5  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#6  0x00007f0d18faeea5 in start_thread (arg=0x7f08f57f4700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f08f57f4700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139676455225088, -4771262700614340274, 0, 8392704, 0, 139676455225088, 4888933536331968846, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#7  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 21 (Thread 0x7f085dfff700 (LWP 36034)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
No locals.
#1  0x00007f0d18fb0e9b in _L_lock_883 () from /lib64/libpthread.so.0
No symbol table info available.
#2  0x00007f0d18fb0d68 in __GI___pthread_mutex_lock (mutex=0x7f08e1c15970) at ../nptl/pthread_mutex_lock.c:78
        type = 0
        id = <optimized out>
#3  0x0000000000976a57 in __gthread_mutex_lock (__mutex=0x7f08e1c15970) at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:749
No locals.
#4  lock (this=0x7f08e1c15970) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_mutex.h:100
        __e = <optimized out>
#5  lock (this=0x7f085dfec980) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/unique_lock.h:138
No locals.
#6  unique_lock (__m=..., this=0x7f085dfec980) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/unique_lock.h:68
No locals.
#7  magma::WAL::Trim(magma::WALOffset&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/wal/wal.cc:558
        lock = {_M_device = 0x7f08e1c15970, _M_owns = false}
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x1000}, <No data fields>}, <No data fields>}}, <No data fields>}}}
        oops = <optimized out>
        deletedSegments = {<std::_Vector_base<unsigned long, std::allocator<unsigned long> >> = {_M_impl = {<std::allocator<unsigned long>> = {<__gnu_cxx::new_allocator<unsigned long>> = {<No data fields>}, <No data fields>}, <std::_Vector_base<unsigned long, std::allocator<unsigned long> >::_Vector_impl_data> = {_M_start = 0x0, _M_finish = 0x0, _M_end_of_storage = 0x0}, <No data fields>}}, <No data fields>}
#8  0x0000000000960287 in magma::KVStoreSet::Trim(magma::WAL*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/kvstore_set.cc:104
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
        lock = {_M_device = @0x7f08da3a65b8}
        offset = {SegID = 9899, SegOffset = 5459968}
#9  0x0000000000952c4e in magma::Magma::Impl::tryWALTrim() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/db_write.cc:86
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
#10 0x00000000009332f4 in magma::Magma::Impl::tryWriteCacheFlush(magma::BlockingMode, magma::FlushMode) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/db.cc:1134
        usage = {WriteCacheMemUsed = 474856, BloomFilterMemUsed = <optimized out>, BlockCacheMemUsed = <optimized out>, IndexBlockSize = <optimized out>, TableMetaMemUsed = <optimized out>, WALMemUsed = <optimized out>, BufferMemUsed = <optimized out>}
        flushAll = <optimized out>
#11 0x00000000009335ab in magma::Magma::Impl::heartbeatCallback() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/db.cc:1252
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x7f0d102008c0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
#12 0x00000000009ae934 in operator() (this=0x7f061b6e50b0) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
No locals.
#13 magma::TimedTask::Complete(bool) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:144
        wg = 0x7f08da3a88c0
        envGuard = {previous = {<std::__pair_base<void*, int>> = {<No data fields>}, first = 0x0, second = 2}}
        currTask = {<std::__shared_ptr<magma::Task, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::Task, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f061b6e50a0, _M_refcount = {_M_pi = 0x7f061b6e5090}}, <No data fields>}
#14 0x00000000009b0121 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:161
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f08c0b88760, _M_refcount = {_M_pi = 0x7f08c0b88750}}, <No data fields>}
        worker = 0x7f0a11ac8040
#15 0x0000000000b86049 in run (this=0x7f08ea8dbd10) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#16 platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#17 0x00007f0d18faeea5 in start_thread (arg=0x7f085dfff700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f085dfff700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139673913521920, -4771262700614340274, 0, 8392704, 0, 139673913521920, 4889125958919893326, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#18 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 20 (Thread 0x7f085d7fe700 (LWP 36035)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
No locals.
#1  0x00000000009affbf in __gthread_cond_timedwait (__abs_timeout=0x7f085d7ec960, __mutex=<optimized out>, __cond=0x7f0a12cb9cd8) at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:872
No locals.
#2  __wait_until_impl<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__lock=..., __lock=..., __atime=<synthetic pointer>, this=0x7f0a12cb9cd8) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:232
        __ts = {tv_sec = 1638524644, tv_nsec = 253026497}
#3  wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=0x7f0a12cb9cd8) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:141
        __c_entry = <optimized out>
#4  wait_for<long, std::ratio<1, 1000000000> > (__rtime=..., __rtime=..., __lock=..., this=0x7f0a12cb9cd8) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:172
No locals.
#5  magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:99
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9d08, _M_owns = true}
#6  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0cf6e9da90, _M_refcount = {_M_pi = 0x7f0cf6e9da80}}, <No data fields>}
        worker = 0x7f0a11771240
#7  0x0000000000b86049 in run (this=0x7f08ea8dc5b0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f085d7fe700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f085d7fe700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139673905129216, -4771262700614340274, 0, 8392704, 0, 139673905129216, 4889127057894650190, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 19 (Thread 0x7f085cffd700 (LWP 36036)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
No locals.
#1  0x00007f0d18fb0e9b in _L_lock_883 () from /lib64/libpthread.so.0
No symbol table info available.
#2  0x00007f0d18fb0d68 in __GI___pthread_mutex_lock (mutex=0x7f08d40046f0) at ../nptl/pthread_mutex_lock.c:78
        type = 0
        id = <optimized out>
#3  0x0000000000976913 in __gthread_mutex_lock (__mutex=0x7f08d40046f0) at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:749
No locals.
#4  lock (this=0x7f08d40046f0) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_mutex.h:100
        __e = <optimized out>
#5  lock (this=0x7f085cfeaa60) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/unique_lock.h:138
No locals.
#6  unique_lock (__m=..., this=0x7f085cfeaa60) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/unique_lock.h:68
No locals.
#7  magma::WAL::Sync() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/wal/wal.cc:482
        lock = {_M_device = 0x7f08d40046f0, _M_owns = false}
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x100000004}, <No data fields>}, <No data fields>}}, <No data fields>}}}
#8  0x00000000009844b5 in magma::KVStore::flushMemTables(magma::WAL*, magma::WALOffset, magma::FlushMode, magma::BlockingMode) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/kvstore/kvstore.cc:376
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
        _ = {fn = {<std::_Maybe_unary_or_binary_function<void>> = {<No data fields>}, <std::_Function_base> = {static _M_max_size = 16, static _M_max_align = 8, _M_functor = {_M_unused = {_M_object = 0x7f085cfeab10, _M_const_object = 0x7f085cfeab10, _M_function_pointer = 0x7f085cfeab10, 
                  _M_member_pointer = (void (std::_Undefined_class::*)(std::_Undefined_class * const)) 0x7f085cfeab10, this adjustment 139675931482640}, _M_pod_data = "\020\253\376\\\b\177\000\000\020\232G\326\b\177\000"}, 
              _M_manager = 0x97bf80 <std::_Function_handler<void(), magma::KVStore::flushMemTables(magma::WAL*, magma::WALOffset, magma::FlushMode, magma::BlockingMode)::<lambda()> >::_M_manager(std::_Any_data &, const std::_Any_data &, std::_Manager_operation)>}, 
            _M_invoker = 0x97c980 <std::_Function_handler<void(), magma::KVStore::flushMemTables(magma::WAL*, magma::WALOffset, magma::FlushMode, magma::BlockingMode)::<lambda()> >::_M_invoke(const std::_Any_data &)>}}
        wlock = {_M_device = 0x7f08d6479c30, _M_owns = true}
        commitMeta = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f085cfeac60 ""}, _M_string_length = 6009654, {_M_local_buf = "@\363X\313\b\177\000\000\342\216J\030\r\177\000", _M_allocated_capacity = 139675748070208}}
        queueTime = <optimized out>
        doFlushing = {__queueTime = {histogram = @0x40, startTime = {__d = {__r = 139694218869047}}}, __kFlush = {<std::__shared_ptr<magma::FlushWork, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::FlushWork, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x7f0d184b0f50 <je_nallocx+128>}}, <No data fields>}, 
          __sFlush = {<std::__shared_ptr<magma::FlushWork, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::FlushWork, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x1, _M_refcount = {_M_pi = 0x100000008}}, <No data fields>}, 
          __lFlush = {<std::__shared_ptr<magma::FlushWork, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::FlushWork, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x0, _M_refcount = {_M_pi = 0x7f08d6479a10}}, <No data fields>}, __this = 0x7f085cfeacf0, __flushMode = (unknown: 4475568)}
#9  0x0000000000984d28 in magma::KVStore::FlushMemTables (this=<optimized out>, wal=<optimized out>, flushMode=flushMode@entry=magma::Persistent, blockMode=blockMode@entry=magma::NonWaiting) at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/kvstore/kvstore.cc:335
        offset = {SegID = 42787610959020032, SegOffset = 0}
#10 0x00000000009331ba in magma::Magma::Impl::tryWriteCacheFlush(magma::BlockingMode, magma::FlushMode) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/db.cc:1129
        kvstore = {<std::__shared_ptr<magma::KVStore, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::KVStore, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f08d6479a10, _M_refcount = {_M_pi = 0x7f08d6479a00}}, <No data fields>}
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
        kvid = <optimized out>
        __for_range = <unknown type in /usr/lib/debug/opt/couchbase/bin/memcached-7.1.0-1817.x86_64.debug, CU 0x6c9ccdb, DIE 0x6d8bd55>
        usage = {WriteCacheMemUsed = 392832, BloomFilterMemUsed = <optimized out>, BlockCacheMemUsed = <optimized out>, IndexBlockSize = <optimized out>, TableMetaMemUsed = <optimized out>, WALMemUsed = <optimized out>, BufferMemUsed = <optimized out>}
        flushAll = <optimized out>
#11 0x00000000009335ab in magma::Magma::Impl::heartbeatCallback() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/magma/db.cc:1252
        status = {s = {_M_t = {<std::__uniq_ptr_impl<magma::Status::state, std::default_delete<magma::Status::state> >> = {
                _M_t = {<std::_Tuple_impl<0, magma::Status::state*, std::default_delete<magma::Status::state> >> = {<std::_Tuple_impl<1, std::default_delete<magma::Status::state> >> = {<std::_Head_base<1, std::default_delete<magma::Status::state>, true>> = {<std::default_delete<magma::Status::state>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, magma::Status::state*, false>> = {
                      _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}}
#12 0x00000000009ae934 in operator() (this=0x7f0039116870) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_function.h:248
No locals.
#13 magma::TimedTask::Complete(bool) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:144
        wg = 0x7f08d5be98c0
        envGuard = {previous = {<std::__pair_base<void*, int>> = {<No data fields>}, first = 0x0, second = 2}}
        currTask = {<std::__shared_ptr<magma::Task, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::Task, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0039116860, _M_refcount = {_M_pi = 0x7f0039116850}}, <No data fields>}
#14 0x00000000009b0121 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:161
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0a11881f10, _M_refcount = {_M_pi = 0x7f0a11881f00}}, <No data fields>}
        worker = 0x7f08ea4dedc0
#15 0x0000000000b86049 in run (this=0x7f08ea8dc2b0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#16 platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#17 0x00007f0d18faeea5 in start_thread (arg=0x7f085cffd700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f085cffd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139673896736512, -4771262700614340274, 0, 8392704, 0, 139673896736512, 4889123756675412302, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#18 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 18 (Thread 0x7f085c7fc700 (LWP 36037)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:238
No locals.
#1  0x00000000009affbf in __gthread_cond_timedwait (__abs_timeout=0x7f085c7ea960, __mutex=<optimized out>, __cond=0x7f0a12cb9cd8) at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:872
No locals.
#2  __wait_until_impl<std::chrono::duration<long, std::ratio<1, 1000000000> > > (__lock=..., __lock=..., __atime=<synthetic pointer>, this=0x7f0a12cb9cd8) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:232
        __ts = {tv_sec = 1638524644, tv_nsec = 253026457}
#3  wait_until<std::chrono::_V2::steady_clock, std::chrono::duration<long, std::ratio<1, 1000000000> > > (__atime=..., __lock=..., this=0x7f0a12cb9cd8) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:141
        __c_entry = <optimized out>
#4  wait_for<long, std::ratio<1, 1000000000> > (__rtime=..., __rtime=..., __lock=..., this=0x7f0a12cb9cd8) at /opt/gcc-10.2.0/include/c++/10.2.0/condition_variable:172
No locals.
#5  magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:99
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9d08, _M_owns = true}
#6  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0a11828ce0, _M_refcount = {_M_pi = 0x7f0a11828cd0}}, <No data fields>}
        worker = 0x7f08ea4dee40
#7  0x0000000000b86049 in run (this=0x7f08ea8db3b0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#8  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#9  0x00007f0d18faeea5 in start_thread (arg=0x7f085c7fc700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f085c7fc700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139673888343808, -4771262700614340274, 0, 8392704, 0, 139673888343808, 4889124855650169166, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#10 0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 17 (Thread 0x7f085bffb700 (LWP 36038)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f0d171a18bc in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#2  0x00000000009afd28 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:101
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9da8, _M_owns = true}
#3  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0a12793fa0, _M_refcount = {_M_pi = 0x7f0a12793f90}}, <No data fields>}
        worker = 0x7f08ea4def40
#4  0x0000000000b86049 in run (this=0x7f08ea8ca790) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#5  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#6  0x00007f0d18faeea5 in start_thread (arg=0x7f085bffb700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f085bffb700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139673879951104, -4771262700614340274, 0, 8392704, 0, 139673879951104, 4889121558725898574, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#7  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 16 (Thread 0x7f085b7fa700 (LWP 36039)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f0d171a18bc in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#2  0x00000000009afd28 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:101
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9da8, _M_owns = true}
#3  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0a126b65b0, _M_refcount = {_M_pi = 0x7f0a126b65a0}}, <No data fields>}
        worker = 0x7f08ea4defc0
#4  0x0000000000b86049 in run (this=0x7f08d12f1bc0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#5  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#6  0x00007f0d18faeea5 in start_thread (arg=0x7f085b7fa700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f085b7fa700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139673871558400, -4771262700614340274, 0, 8392704, 0, 139673871558400, 4889122657700655438, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#7  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 15 (Thread 0x7f085aff9700 (LWP 36040)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f0d171a18bc in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#2  0x00000000009afd28 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:101
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9da8, _M_owns = true}
#3  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0a11b5ed20, _M_refcount = {_M_pi = 0x7f0a11b5ed10}}, <No data fields>}
        worker = 0x7f08ea4df740
#4  0x0000000000b86049 in run (this=0x7f08ea8c8570) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#5  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#6  0x00007f0d18faeea5 in start_thread (arg=0x7f085aff9700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f085aff9700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139673863165696, -4771262700614340274, 0, 8392704, 0, 139673863165696, 4889119356481417550, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#7  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 14 (Thread 0x7f085a7f8700 (LWP 36041)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f0d171a18bc in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#2  0x00000000009afd28 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:101
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9da8, _M_owns = true}
#3  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0a11b5fc70, _M_refcount = {_M_pi = 0x7f0a11b5fc60}}, <No data fields>}
        worker = 0x7f08ea4df7c0
#4  0x0000000000b86049 in run (this=0x7f08ea8b2e00) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#5  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#6  0x00007f0d18faeea5 in start_thread (arg=0x7f085a7f8700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f085a7f8700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139673854772992, -4771262700614340274, 0, 8392704, 0, 139673854772992, 4889120455456174414, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#7  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 13 (Thread 0x7f0859ff7700 (LWP 36042)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f0d171a18bc in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#2  0x00000000009afd28 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:101
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9da8, _M_owns = true}
#3  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0a117f2ed0, _M_refcount = {_M_pi = 0x7f0a117f2ec0}}, <No data fields>}
        worker = 0x7f08ea4df8c0
#4  0x0000000000b86049 in run (this=0x7f08ea8b3b20) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#5  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#6  0x00007f0d18faeea5 in start_thread (arg=0x7f0859ff7700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0859ff7700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139673846380288, -4771262700614340274, 0, 8392704, 0, 139673846380288, 4889117158531903822, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#7  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 12 (Thread 0x7f08597f6700 (LWP 36043)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f0d171a18bc in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#2  0x00000000009afd28 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:101
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9da8, _M_owns = true}
#3  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0cf6e45450, _M_refcount = {_M_pi = 0x7f0cf6e45440}}, <No data fields>}
        worker = 0x7f08ea4df940
#4  0x0000000000b86049 in run (this=0x7f08ea8b3af0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#5  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#6  0x00007f0d18faeea5 in start_thread (arg=0x7f08597f6700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f08597f6700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139673837987584, -4771262700614340274, 0, 8392704, 0, 139673837987584, 4889118257506660686, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#7  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 11 (Thread 0x7f0858ff5700 (LWP 36044)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f0d171a18bc in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#2  0x00000000009afd28 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:101
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9da8, _M_owns = true}
#3  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0a11b560d0, _M_refcount = {_M_pi = 0x7f0a11b560c0}}, <No data fields>}
        worker = 0x7f08ea5de0c0
#4  0x0000000000b86049 in run (this=0x7f08ea8b37f0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#5  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#6  0x00007f0d18faeea5 in start_thread (arg=0x7f0858ff5700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0858ff5700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139673829594880, -4771262700614340274, 0, 8392704, 0, 139673829594880, 4889114956287422798, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#7  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 10 (Thread 0x7f08587f4700 (LWP 36045)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f0d171a18bc in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#2  0x00000000009afd28 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:101
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9da8, _M_owns = true}
#3  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0a11c7a3c0, _M_refcount = {_M_pi = 0x7f0a11c7a3b0}}, <No data fields>}
        worker = 0x7f08ea5de140
#4  0x0000000000b86049 in run (this=0x7f08ea89f710) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#5  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#6  0x00007f0d18faeea5 in start_thread (arg=0x7f08587f4700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f08587f4700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139673821202176, -4771262700614340274, 0, 8392704, 0, 139673821202176, 4889116055262179662, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#7  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 9 (Thread 0x7f0857ff3700 (LWP 36046)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f0d171a18bc in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#2  0x00000000009afd28 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:101
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9da8, _M_owns = true}
#3  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0a126b8720, _M_refcount = {_M_pi = 0x7f0a126b8710}}, <No data fields>}
        worker = 0x7f08ea5de240
#4  0x0000000000b86049 in run (this=0x7f08ea89e600) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#5  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#6  0x00007f0d18faeea5 in start_thread (arg=0x7f0857ff3700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0857ff3700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139673812809472, -4771262700614340274, 0, 8392704, 0, 139673812809472, 4889147942709997902, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#7  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 8 (Thread 0x7f08577f2700 (LWP 36047)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f0d171a18bc in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#2  0x00000000009afd28 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:101
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9da8, _M_owns = true}
#3  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0a11c6ee90, _M_refcount = {_M_pi = 0x7f0a11c6ee80}}, <No data fields>}
        worker = 0x7f08ea5de2c0
#4  0x0000000000b86049 in run (this=0x7f08ea89ff50) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#5  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#6  0x00007f0d18faeea5 in start_thread (arg=0x7f08577f2700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f08577f2700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139673804416768, -4771262700614340274, 0, 8392704, 0, 139673804416768, 4889149041684754766, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#7  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 7 (Thread 0x7f0856ff1700 (LWP 36048)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f0d171a18bc in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#2  0x00000000009afd28 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:101
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9da8, _M_owns = true}
#3  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0cf6e72460, _M_refcount = {_M_pi = 0x7f0cf6e72450}}, <No data fields>}
        worker = 0x7f08ea6e9b40
#4  0x0000000000b86049 in run (this=0x7f08ea8855e0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#5  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#6  0x00007f0d18faeea5 in start_thread (arg=0x7f0856ff1700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0856ff1700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139673796024064, -4771262700614340274, 0, 8392704, 0, 139673796024064, 4889145723285647694, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#7  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 6 (Thread 0x7f08567f0700 (LWP 36049)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f0d171a18bc in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#2  0x00000000009afd28 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:101
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9da8, _M_owns = true}
#3  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0a11b56a30, _M_refcount = {_M_pi = 0x7f0a11b56a20}}, <No data fields>}
        worker = 0x7f08ea6e9bc0
#4  0x0000000000b86049 in run (this=0x7f08ea89eb70) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#5  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#6  0x00007f0d18faeea5 in start_thread (arg=0x7f08567f0700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f08567f0700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139673787631360, -4771262700614340274, 0, 8392704, 0, 139673787631360, 4889146822260404558, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#7  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 5 (Thread 0x7f0855fef700 (LWP 36050)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f0d171a18bc in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#2  0x00000000009afd28 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:101
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9da8, _M_owns = true}
#3  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0a126b8130, _M_refcount = {_M_pi = 0x7f0a126b8120}}, <No data fields>}
        worker = 0x7f08ea6e9cc0
#4  0x0000000000b86049 in run (this=0x7f08ea883000) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#5  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#6  0x00007f0d18faeea5 in start_thread (arg=0x7f0855fef700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0855fef700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139673779238656, -4771262700614340274, 0, 8392704, 0, 139673779238656, 4889143525336133966, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#7  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 4 (Thread 0x7f08557ee700 (LWP 36051)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f0d171a18bc in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#2  0x00000000009afd28 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:101
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9da8, _M_owns = true}
#3  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0cf6e74f30, _M_refcount = {_M_pi = 0x7f0cf6e74f20}}, <No data fields>}
        worker = 0x7f08ea6e9d40
#4  0x0000000000b86049 in run (this=0x7f08ea8839f0) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#5  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#6  0x00007f0d18faeea5 in start_thread (arg=0x7f08557ee700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f08557ee700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139673770845952, -4771262700614340274, 0, 8392704, 0, 139673770845952, 4889144624310890830, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#7  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 3 (Thread 0x7f0854fed700 (LWP 36052)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f0d171a18bc in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#2  0x00000000009afd28 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:101
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9da8, _M_owns = true}
#3  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0cf6def950, _M_refcount = {_M_pi = 0x7f0cf6def940}}, <No data fields>}
        worker = 0x7f08c0dd7d80
#4  0x0000000000b86049 in run (this=0x7f08ea884d40) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#5  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#6  0x00007f0d18faeea5 in start_thread (arg=0x7f0854fed700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f0854fed700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139673762453248, -4771262700614340274, 0, 8392704, 0, 139673762453248, 4889141323091652942, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#7  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 2 (Thread 0x7f08547ec700 (LWP 36055)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
No locals.
#1  0x00007f0d171a18bc in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /opt/couchbase/bin/../lib/libstdc++.so.6
No symbol table info available.
#2  0x00000000009afd28 in magma::TaskQueue::dequeue(std::atomic<bool>&) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:101
        now = <optimized out>
        lock = {_M_device = 0x7f0a12cb9da8, _M_owns = true}
#3  0x00000000009b0111 in magma::TaskWorker::loop(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/magma/util/worker.cc:160
        task = {<std::__shared_ptr<magma::TimedTask, (__gnu_cxx::_Lock_policy)2>> = {<std::__shared_ptr_access<magma::TimedTask, (__gnu_cxx::_Lock_policy)2, false, false>> = {<No data fields>}, _M_ptr = 0x7f0a11811800, _M_refcount = {_M_pi = 0x7f0a118117f0}}, <No data fields>}
        worker = 0x7f08c0dd7dc0
#4  0x0000000000b86049 in run (this=0x7f08ea883150) at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:51
No locals.
#5  platform_thread_wrap(void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/platform/src/cb_pthreads.cc:64
No locals.
#6  0x00007f0d18faeea5 in start_thread (arg=0x7f08547ec700) at pthread_create.c:307
        __res = <optimized out>
        pd = 0x7f08547ec700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139673754060544, -4771262700614340274, 0, 8392704, 0, 139673754060544, 4889142422066409806, 4887285409061908814}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
#7  0x00007f0d168ef8dd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
No locals.

Thread 1 (Thread 0x7f0d19e27c40 (LWP 35581)):
#0  __lll_lock_wait () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
No locals.
#1  0x00007f0d18fb0e9b in _L_lock_883 () from /lib64/libpthread.so.0
No symbol table info available.
#2  0x00007f0d18fb0d68 in __GI___pthread_mutex_lock (mutex=0x10e4ec0 <buckets_lock>) at ../nptl/pthread_mutex_lock.c:78
        type = 0
        id = <optimized out>
#3  0x00000000005bc047 in __gthread_mutex_lock (__mutex=0x10e4ec0 <buckets_lock>) at /opt/gcc-10.2.0/include/c++/10.2.0/x86_64-pc-linux-gnu/bits/gthr-default.h:749
No locals.
#4  lock (this=0x10e4ec0 <buckets_lock>) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_mutex.h:100
        __e = <optimized out>
#5  lock_guard (__m=..., this=<synthetic pointer>) at /opt/gcc-10.2.0/include/c++/10.2.0/bits/std_mutex.h:159
No locals.
#6  BucketManager::forEach(std::function<bool (Bucket&, void*)>, void*) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/buckets.cc:424
        all_bucket_lock = {_M_device = @0x10e4ec0}
#7  0x0000000000600801 in mc_gather_timing_samples () at /opt/gcc-10.2.0/include/c++/10.2.0/new:175
No locals.
#8  mc_time_clock_tick() () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/mc_time.cc:222
        check_system_time = 2100
        previous_time_valid = true
        previous_time = {tv_sec = 1638465057, tv_usec = 226049}
#9  0x0000000000600b15 in mc_time_clock_event_handler (fd=<optimized out>, which=<optimized out>, arg=<optimized out>) at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/mc_time.cc:206
        t = {tv_sec = 1, tv_usec = 0}
        initialized = true
        clockevent = {ev_evcallback = {evcb_active_next = {tqe_next = 0x0, tqe_prev = 0x7f0d14cfe3b0}, evcb_flags = 129, evcb_pri = 0 '\000', evcb_closure = 0 '\000', evcb_cb_union = {evcb_callback = 0x600ab0 <mc_time_clock_event_handler(int, short, void*)>, evcb_selfcb = 0x600ab0 <mc_time_clock_event_handler(int, short, void*)>, evcb_evfinalize = 0x600ab0 <mc_time_clock_event_handler(int, short, void*)>, 
              evcb_cbfinalize = 0x600ab0 <mc_time_clock_event_handler(int, short, void*)>}, evcb_arg = 0x0}, ev_timeout_pos = {ev_next_with_common_timeout = {tqe_next = 0x0, tqe_prev = 0x0}, min_heap_idx = 0}, ev_fd = -1, ev_base = 0x7f0d12f6a300, ev_ = {ev_io = {ev_io_next = {le_next = 0x0, le_prev = 0x0}, ev_timeout = {tv_sec = 0, tv_usec = 0}}, ev_signal = {ev_signal_next = {le_next = 0x0, le_prev = 0x0}, 
              ev_ncalls = 0, ev_pncalls = 0x0}}, ev_events = 0, ev_res = 0, ev_timeout = {tv_sec = 15123212, tv_usec = 658664}}
#10 0x00007f0d18279f58 in event_process_active_single_queue (base=base@entry=0x7f0d12f6a300, max_to_process=max_to_process@entry=2147483647, endtime=endtime@entry=0x0, activeq=<optimized out>) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1697
        evcb_callback = 0x600ab0 <mc_time_clock_event_handler(int, short, void*)>
        res = 1
        ev = 0x10e7320 <mc_time_clock_event_handler(int, short, void*)::clockevent>
        evcb = <optimized out>
        count = 1
#11 0x00007f0d1827a54f in event_process_active (base=0x7f0d12f6a300) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:1789
        activeq = <optimized out>
        i = 0
        c = 0
        tv = {tv_sec = 15123211, tv_usec = 658664}
        maxcb = 2147483647
        endtime = 0x0
        limit_after_prio = 2147483647
#12 event_base_loop (base=0x7f0d12f6a300, flags=1) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/libevent/libevent-prefix/src/libevent/event.c:2012
        evsel = 0x7f0d1848dc20 <epollops>
        tv = {tv_sec = 0, tv_usec = 996000}
        tv_p = <optimized out>
        res = <optimized out>
        done = 0
        retval = 0
        __func__ = "event_base_loop"
#13 0x0000000000bfa347 in folly::EventBase::loopBody (this=this@entry=0x7f0d12f73780, flags=flags@entry=0, ignoreKeepAlive=ignoreKeepAlive@entry=false) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:397
        callbacks = {<boost::intrusive::list_impl<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>, unsigned long, false, void>> = {static constant_time_size = false, static stateful_value_traits = <optimized out>, static has_container_from_iterator = <optimized out>, 
            static safemode_or_autounlink = true, data_ = {<boost::intrusive::bhtraits<folly::EventBase::LoopCallback, boost::intrusive::list_node_traits<void*>, (boost::intrusive::link_mode_type)2, boost::intrusive::dft_tag, 1>> = {<boost::intrusive::bhtraits_base<folly::EventBase::LoopCallback, boost::intrusive::list_node<void*>*, boost::intrusive::dft_tag, 1>> = {<No data fields>}, 
                static link_mode = boost::intrusive::auto_unlink}, root_plus_size_ = {<boost::intrusive::detail::size_holder<false, unsigned long, void>> = {static constant_time_size = <optimized out>}, m_header = {<boost::intrusive::list_node<void*>> = {next_ = 0x7ffd60c6aae0, prev_ = 0x7ffd60c6aae0}, <No data fields>}}}}, <No data fields>}
        message = 0xcc1be8 "Your code just tried to loop over an event base from inside another event base loop. Since libevent is not reentrant, this leads to undefined behavior in opt builds. Please fix immediately. For the co"...
        SCOPE_EXIT_STATE13 = {<folly::detail::ScopeGuardImplBase> = {dismissed_ = false}, function_ = {__this = 0x7f0d12f73780}}
        res = 0
        ranLoopCallbacks = <optimized out>
        blocking = true
        once = false
        prev = {__d = {__r = 15121125913089973}}
        idleStart = {__d = {__r = 15123210661849546}}
        busy = <optimized out>
        idle = <optimized out>
        prevLoopThread = {_M_thread = 0}
#14 0x0000000000bfa816 in folly::EventBase::loop (this=this@entry=0x7f0d12f73780) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:315
        guard = {list_ = {forbid = true, prev = 0x0, curr = {name = {static npos = <optimized out>, b_ = 0xcc185b "EventBase", e_ = 0xcc1864 ""}}}}
#15 0x0000000000bfc1d6 in folly::EventBase::loopForever (this=0x7f0d12f73780) at /home/couchbase/jenkins/workspace/cbdeps-platform-build-old/deps/packages/build/folly/folly-prefix/src/folly/folly/io/async/EventBase.cpp:538
        ret = <optimized out>
#16 0x00000000005659fb in memcached_main(int, char**) () at /home/couchbase/jenkins/workspace/couchbase-server-unix/kv_engine/daemon/memcached.cc:1012
        numa_status = {static npos = 18446744073709551615, _M_dataplus = {<std::allocator<char>> = {<__gnu_cxx::new_allocator<char>> = {<No data fields>}, <No data fields>}, _M_p = 0x7f0d13da64a0 "Set memory allocation policy to 'interleave'"}, _M_string_length = 44, {_M_local_buf = ",", '\000' <repeats 14 times>, _M_allocated_capacity = 44}}
        parent_monitor = {_M_t = {<std::__uniq_ptr_impl<ProcessMonitor, std::default_delete<ProcessMonitor> >> = {
              _M_t = {<std::_Tuple_impl<0, ProcessMonitor*, std::default_delete<ProcessMonitor> >> = {<std::_Tuple_impl<1, std::default_delete<ProcessMonitor> >> = {<std::_Head_base<1, std::default_delete<ProcessMonitor>, true>> = {<std::default_delete<ProcessMonitor>> = {<No data fields>}, <No data fields>}, <No data fields>}, <std::_Head_base<0, ProcessMonitor*, false>> = {
                    _M_head_impl = 0x0}, <No data fields>}, <No data fields>}}, <No data fields>}}
        fineClock = {overhead = {__r = 36}, measurementPeriod = {__r = 1}}
        coarseClock = {overhead = {__r = 14}, measurementPeriod = {__r = 1}}
        phosphor_internal_category_enabled_978 = {_M_b = {_M_p = 0x7f0d195eb69b <phosphor::TraceLog::getInstance()::log_instance+8283>}, static is_always_lock_free = <optimized out>}
        phosphor_internal_category_enabled_temp_978 = <optimized out>
        phosphor_internal_tpi_978 = {category = 0xc3f8de "memcached", name = 0xca464c "Started", type = phosphor::GlobalInstant, argument_names = {_M_elems = {0xca8762 "", 0xca8762 ""}}, argument_types = {_M_elems = {phosphor::is_none, phosphor::is_none}}}
#17 0x00007f0d16813555 in __libc_start_main (main=0x53add0 <main(int, char**)>, argc=3, argv=0x7ffd60c6b4c8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7ffd60c6b4b8) at ../csu/libc-start.c:266
        result = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, -4771262700614340274, 5627550, 140726227088576, 0, 0, 4770385503338869070, 4887316919940919630}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7f0d19c279b3 <_dl_init+275>, 0x7f0d19e3b150}, data = {prev = 0x0, cleanup = 0x0, canceltype = 432175539}}}
        not_first_call = <optimized out>
#18 0x000000000055dec7 in _start () at /opt/gcc-10.2.0/include/c++/10.2.0/bits/char_traits.h:322
No symbol table info available.